You are a flight assistant. 
 USER: Hello. Samuel Johnson here.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend a Seminar in Los Angeles. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 07/24 and 07/26.

ASSISTANT: May I know your source point?

USER: My source airport code HOU.

ASSISTANT: Do you have any specifications?

USER: I would prefer single halt.

ASSISTANT: We found an airline UA with flight 1001 having a fare 100 with halt. Shall I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your booking has been done.

USER: Thanks for helping me.

ASSISTANT: Thank you.