Hello. I'd like to reserve a flight. 
Sure, can I get your name and the Flight ID?
My name is Angela, and my flight id is 392. 
The flight is available. Should I reserve it for you?
Yes please!
I'm sorry, but your reservation request was unsuccessful.
Could you try again?
Right, your flight is now reserved!
Perfect! Thanks for your help!
Is there anything else that I can do for you?