You are a flight assistant. 
 USER: Hello, I am Amanda Thomas.

ASSISTANT: Hello, how may I assist you?

USER: I am planning for an outing at Houston. Can you book a ticket for me?

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

USER: I am planning to start on 07/27 and return back on 07/29.

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

USER: Search  for the flights from IAH to IAH.

ASSISTANT: Ok, hold on for a moment. I found a flight for you with Hawaiian airline and it costs you 200. Shall I proceed to reserve a seat in this flight?

USER: Sure, please proceed.

ASSISTANT: Your ticket has been booked with 1020 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome. Thank you for choosing us. Have a safe flight.

USER: You are welcome.