You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Carter.

ASSISTANT: How can I serve you today?

USER: I want to travel from LAX to DTW. Can you help me to book a flight ticket?

ASSISTANT: Sure, let me know your travel dates please?

USER: I want to fly in the flight on Oct 01 and Oct 03.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I want to return in afternoon time.

ASSISTANT: Ok, is there any class preference?

USER: NO.

ASSISTANT: May I know your connection limit?

USER: Nothing.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Frontier airlines is providing connecting flight with the ticket fare of 200 and depart time is 20:00 PM, arrival time is 19:00 PM. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket has been confirmed by flight number 1002 and an economy class.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us.