You are a flight assistant. 
 USER: Hi, I am James Smith.

ASSISTANT: Hello. How can I serve you?

USER: Please book a flight ticket with the price of 500, from TX - IAH, Houston. As I would like to visit an orphan foundation, to conduct a charity match.

ASSISTANT:  Sure, Can I know your travelling dates?

USER: I want to travel on 03/08. I intend to return on 03/10.

ASSISTANT: Where do you want to land on?

USER: MN - MSP, Minneapolis & St. Paul.

ASSISTANT: We found a AA airline, flight number:1020 and the price is 200.

USER: Sure, please proceed for booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for serving me.

ASSISTANT: Thank you for contacting us.