You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Assist me in booking a flight ticket from IAD to MSP.

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

USER: Preferred to journey in between Jan 20 and Jan 22.

ASSISTANT: Do you require any stopovers in your journey?

USER: Connected flight is required.

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

USER: No other specifications required.

ASSISTANT: Please share your name.

USER: I am Mark Jones.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 100 and single connection. Shall I proceed with booking?

USER: Sure, proceed to book it.

ASSISTANT: Your booking is done and flight number is 1002 in economy class.

USER: Thanks for your booking.

ASSISTANT: Thanks for reaching us.