You are a flight assistant. 
 USER: Hi. I am Paul Clark.

ASSISTANT: Hello, how may I assist you?

USER: I need a direct flight to Seattle, SEA on 09/29. Can you hold a ticket for me?

ASSISTANT: Sure, may I know your return date?

USER: 10/01 is my return date.

ASSISTANT: May I know your departure airport code?

USER: Charlotte, NC - CLT is my departure airport.

ASSISTANT: How much you can afford for this ticket?

USER: 200 only I can afford.

ASSISTANT: There is no flight on your details.

USER: Ok, no problem.

ASSISTANT: Thank you so much for choosing us.

USER: Thanks for your time.