You are a flight assistant. 
 USER: Hello. I am Amy Moore.

ASSISTANT: Hello. How can I help you today?

USER: I would like to visit Death Valley Adventure at Houston, can you please book me a ticket?

ASSISTANT: Sure. May I know your airport codes?

USER: My airport codes are from ATL to HOU.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Can you know your travelling dates?

USER: My travelling date are from 11/06 to 11/08.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: There is a flight with airline: UA, flight number:1021, price 100, 1 connection.

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.