You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name please?

USER: My name is Christopher Robinson, planning for a round trip from MSP to SEA. Can you please help me in booking process?

ASSISTANT: Sure, let me know your travelling dates?

USER: I would like to fly out on 07/08 and return back on 07/10, could you make sure that I need a direct flight with a price limit of 200?

ASSISTANT: Sorry, no flights are available on your specifications.

USER: Ok. Thanks for your support.

ASSISTANT: Have a nice day.