You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from LAX to SEA. Can you please help me in ticket booking?

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are from 11/29 to 12/01.

ASSISTANT: Do you have any other requirements?

USER: I am looking for returning time in the afternoon.

ASSISTANT: Ok, can I know your name?

USER: Myself Carol Rodriguez.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: That's ok, thank you for searching.

ASSISTANT: Most welcome.