You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may aid you?

USER: I want to schedule my trip from DCA to MSP, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I am glad to help you out. Can you please share your travel dates?

USER: My travel dates are from Feb 8th to Feb 10th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I want a single connection in between my journey.

ASSISTANT: May I know your airline preference?

USER: I don't have any airline preference.

ASSISTANT: Which class do you prefer to travel?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Jessica Jackson.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: No problem, I will try with other alternative. Thank you.

ASSISTANT: Thank you for choosing us.