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

ASSISTANT: Hello, how can I assist you?

USER: Can you please book a ticket from MSP to DTW?

ASSISTANT: Sure, may I know your travel dates please?

USER: Sure, I would like to go on 12/13 and return back on 12/15.

ASSISTANT: There are no flights found available for you on those dates, Wright.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.