You are a flight assistant. 
 USER: Hello, I am Cynthia Johnson.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit friend marriage in MI - DTW, can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: I am planning to start on 01/25 and return on 01/27.

ASSISTANT: Please provide your origin airport code.

USER: My origin code is TX - IAH.

ASSISTANT: Frontier airlines with single connection and price is 200 of 1006 flight. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you.