You are a flight assistant. 
 USER: Hello. I am Catherine Green.

ASSISTANT: Hello, how can I aid you?

USER: Can you please find a flight for me from Seattle-SEA?

ASSISTANT: Sure, may I know your preferred dates of travel?

USER: Thank you. The preferred travel dates are Sept 08 and Sept 10.

ASSISTANT: Can you please let me know your destination code?

USER: The destination airport code is Minneapolis-MSP.

ASSISTANT: Do you have any specifications?

USER: I want the flight which is returning in the afternoon time.

ASSISTANT: Ok, please wait a minute.

USER: Ok, take your time.

ASSISTANT:  I regret to say that Catherine Green, I am not able to book your flight ticket as no flights are travelling to your region.

USER: It's ok, not a problem with that. Anyways thank you for your time.

ASSISTANT: Thank you for choosing us.