Hello, my name is Alexis and I need to reserve a flight.
Can I have your flight ID, please?
958
The flight is available. Should I reserve it for you?
Yes, please make the reservation.
I'm sorry, but your reservation request was unsuccessful.
OK, thank you anyway. 
Is there anything else that I can do for you?
No, that's it. Thanks for your help. 
Thank you and goodbye.