You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Lisa Thompson.

ASSISTANT: Yes.

USER: I am planning to travel from AUS to IAH, can you help in booking a ticket? My date of journey is on 11/21 to 11/23.

ASSISTANT: Sure, please tell your travelling dates? Yes, there is a flight ticket available with AA airlines of price 100.

USER: Proceed for booking.

ASSISTANT: Ok. Your reservation is confirmed with flight 1019.

USER: Thank you for your help.

ASSISTANT: Thank you and have a nice day.