You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I planned to meet my friend in DEN, can you please help me to book a flight ticket from DTW?

ASSISTANT: Sure, could you please share your journey dates?

USER: I prefer to travel on Feb 4 and Feb 6.

ASSISTANT: Please let me know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any more specifications?

USER: I would like to travel in business class.

ASSISTANT: For booking purpose I required your name, can I know your name?

USER: I am Christopher Hall.

ASSISTANT: We found a Frontier airline, price is 900 in business class with one stopover. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed with a flight number 1020.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.