You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kathleen Gonzalez. I am planning to book a ticket to attend a meeting at IAD to MSP. Can you please help me out?

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

USER: I would like to travel on 02/07 and return back on 02/09.

ASSISTANT: Give me a moment.

USER: Sure.

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

USER: That's fine. Thank you for your service.

ASSISTANT: Thank you for contacting us.