You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Charles Robinson here. Reserve a flight ticket that is from PHX to PHL.

ASSISTANT: Sure Charles, can I know the travel dates please?

USER: My travel dates are 07/14 to 07/16.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Delta airline with price 100, can I book it?

USER: Sure, you can proceed for the booking.

ASSISTANT: Your ticket has been booked with flight number 1011.

USER: Thank you.

ASSISTANT: You are welcome.