You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Christopher Thomas. I would like to travel from SFO to DEN.

ASSISTANT: Ok, please let me know your travel dates to proceed.

USER: My preferable dates are from 12/09 to 12/11.

ASSISTANT: Southwest airline is available with 1 connection and the price limit is 200.

USER: Please proceed with the booking.

ASSISTANT: Shall I book? Your ticket has been booked, have a good day.

USER: Thank you for your time.

ASSISTANT: Most welcome.