You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I want to go to MSP next week so can you please help me in flight ticket booking process from SEA?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: Thank you, I want to take off on Aug 13 and book my return ticket also on Aug 15.

ASSISTANT: May I know your name please for further process?

USER: Sure, my name is Gary Martinez.

ASSISTANT: Do you need any other help from my side?

USER: I would like to return in afternoon time.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry Gary, no flight found as per your travelling details.

USER: It's ok, no problem. Thank you for your information.