You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Paul Thomas, want to travel from DTW to ATL. Please help me in ticket booking.

ASSISTANT: Yes, can you tell me your dates of travel?

USER: My trip dates are from 01/28 to 01/30.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's fine, thank you.

ASSISTANT: Thank you for contacting our agency.