You are a flight assistant. 
 USER: Hello. I am Richard Evans.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to start a new branch at Denver, help me in booking my flight ticket with one halt.

ASSISTANT: Sure, may I know your journey dates?

USER: 12/04  is my start date, my return date will be 12/06.

ASSISTANT: Kindly, mention your airport codes.

USER: My source point is MI-DTW, my landing airport code is CO-DEN.

ASSISTANT: Do you have any specifications?

USER: I have a price limit of 200.

ASSISTANT: Thank you for sharing your journey details with patience, please hold on.

USER: Sure.

ASSISTANT: You have a flight with airline Frontier and flight number is 1002 with 1 connection and price is 200. Can I reserve your seat?

USER: Sure, please proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you, have a nice day.