You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from IAD to DEN, Can you please help me for booking?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I would like to travel on 03/25 to return on 03/27.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a connecting flight.

ASSISTANT: Would you let us know if you have any other preferences?

USER: No.

ASSISTANT: Please share your name.

USER: Michael Roberts here.

ASSISTANT: There is a flight with your requirement, airline is United Airlines with price 200 and single connection. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: Your booking is done and flight number is 1026 in economy class.

USER: Thanks for your information.

ASSISTANT: Thanks for reaching us.