You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight ticket from CLT to DCA to meet my friends.

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

USER: Sure, my travelling dates are May 20 and May 22.

ASSISTANT: Do you require any stopovers in your journey?

USER: I prefer to travel in a connecting flight.

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

USER: No, I do not have any other preferences.

ASSISTANT: Please share your name.

USER: I am Mary Miller.

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

USER: You can proceed with booking.

ASSISTANT: Your booking is done and flight number is 1013 in economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for reaching us.