You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Gary Lee.

ASSISTANT: How may I assist you?

USER: I would like to travel from PHX to IAH.

ASSISTANT: Please provide your trip dates.

USER: My preferable dates are 12/15 to 12/17.

ASSISTANT: There is a flight for you with 1 connection. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked in 1020 flight.

USER: Thank you for your time.

ASSISTANT: Most welcome.