Dear Debbie,
you've got a lot of stuff going on in this dream!
Dreams of betrayal tend to come when you feel insecure about something. What's your reason for insecurity? Let's see if we can sort this out:
FLYING: your wish for freedom
EMPTY ROOM: Disappointment.... you were expecting to find someone who is not there. You probably feel a bit trapped by this relationship...
KEY: keys give you access to something hidden -could be a solution or a useful clue
DESK: hmmm, desk rather than table may have a connotation of study or workplace. You are evaluating your problems
WAITING: Expectations and anxieties, especially since the wait is long
WOMAN: in this case, it may signify temptation and guilt on his side
KISS: kiss usually signify love, but can also stand for betrayal (like Juda's kiss)
AIRPORT: preparing for change, and again desire for freedom since it's realted with flying
CRYING: very good emotional relase, it will help you to put things in the right perspective once you calm down
Now that we've got the pieces, let¡s see if we can make a patchwork out of this......
Your insecurity reflects a wish for freedom from the current situation, in which you feel stuck. At the same time you are afraid to take your freedom in case it takes you into deeper waters and are afraid to be disappointed and clueless. You hope to find clues (keys) to help you out of this. You are willing to wait, but this will stress you out because it streghtens your expectations and anxieties and you are afraid you will be even more disappointed after the wait. It's a bit a catch-22 situation. You are afraid the wait will make things worse and you'll feel even more betrayed. You badly want to be free but the current situation doesn't seemingly offer a way out (no flights home). You may have to wait a bit longer (spending the weekend at the airport), crying, though unpleasant, will clear up your feelings and allow you to consider the sitation objectively once you have calmed down and plan accordingly, after sorting out your feelings. You need a break to consider next move, and you shall then soon be able to move forward (after the weekend you'll find the flight you wanted to bard so badly)! So, it's a temporary lull, don't despair, the solution to your situation shall soon be made evident to you.
Hope this helps!

Good night!