You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jerry Thomas. Can you please help me in booking my flight ticket from DFW to PHX?

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferable dates are 10/18 and 10/20.

ASSISTANT: I found a flight 1016 of Spirit airlines matches with your preferences, can I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked. Thank you, have a good day.

USER: Thank you for your help.