You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Could you please book me a flight ticket from IAD to LAX?

ASSISTANT: Sure, may I know your name?

USER: I am Brenda Carter.

ASSISTANT: Can I know your travelling dates?

USER: I will start on Mar 9th and return on Mar 11th.

ASSISTANT: May I know your connection limit?

USER: Yes, I need 1 flag stop.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a flight of southwest airline, flight number 100 with the fare of 200.

USER: Fine, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us.