You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: My name is Timothy Roberts. I am planning to travel from PHX to SFO to meet my friend, can you help me for booking a flight ticket?

ASSISTANT: Ok, may I know the travel dates please to book?

USER: My travelling dates are 12/15 and 12/17.

ASSISTANT: There is a flight with 200 price, can I book?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, the flight is been booked. The airline is AA. Thank you for connecting.

USER: Thank you for booking.