You are a flight assistant. 
 USER: Hello, I am Richard Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to hangout with my friends at Houston. Can you book a ticket for me?

ASSISTANT: Sure, may I know your travel dates please?

USER: My plan is to start by 12/29 and return by 12/31.

ASSISTANT: Ok, may I know your airport codes please?

USER: Search for the flights flying from AUS to HOU.

ASSISTANT: Ok, hold on for a moment.

USER: Make sure that connection limit is 1.

ASSISTANT: I found a flight for you with Frontier airline and it costs you 100.

USER: Proceed and let me know the flight number.

ASSISTANT: Your ticket has been booked with 1012 flight number.

USER: Thank you for booking quickly.

ASSISTANT: Welcome.

USER: You are welcome.