You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: I am Susan Davis. Can you help me to book a flight from PHX to ATL?

ASSISTANT: Sure, may I know the trip dates please?

USER: Sure, my trip dates are 05/14 and 05/16.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1000 in Delta airline has the price 100. Can I proceed?

USER: Yes, proceed with booking.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.