You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Will you help me in booking the flight ticket from ORD to DTW?

ASSISTANT: Let me know the travel dates?

USER: My travelling dates are Mar 14 and Mar 16.

ASSISTANT: Is there any class preference?

USER: No, thank you.

ASSISTANT: May I know the connection limit?

USER: I need a flight with single connection.

ASSISTANT: Are there any more preferences?

USER: I prefer Normal cost.

ASSISTANT: May I know your name please?

USER: Myself Mark Perez.

ASSISTANT: Give me a moment.

USER: Ok, I will wait.

ASSISTANT: United Airlines with flight 1002 is providing service on your route with connecting flight and price is 200.

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket is booked where departure ORD 2:00 hours Mar 14 and arrival DTW 13:00 hours Mar 16.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.