You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Charles Lewis. I am planning to travel from AUS to HOU.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My travelling dates are 11/20 to 11/22.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight 1018 is available for you, can I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you.

ASSISTANT: You are welcome.