You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: I need your assistance in reserving the plane ticket from the airport MSP to ORD. Can you please do that?

ASSISTANT: Sure, may I know your travel dates?

USER: Thank you for responding. My travel dates are Sept 3rd and 5th.

ASSISTANT: Do you need any way station in your journey?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: Is there any specific time to travel?

USER: No, I didn't have any specific timings to travel.

ASSISTANT: Do you have any other requirements?

USER: No, thanks for asking.

ASSISTANT: May I know your name please?

USER: My name is Mary Parker.

ASSISTANT: Sorry to inform you that, there are no flights available with your specifications.

USER: Oh! It is sad to hear from your end. Anyhow thanks a lot for your time.

ASSISTANT: Thank you for choosing us.