You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I need to book a flight ticket from LAX to DTW, can you please help me for booking?

ASSISTANT: Sure, let me know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Can I know your travel dates?

USER: I would like to travel on 11/13 to return on 11/15.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Ok, may I know your name please?

USER: Karen Walker.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Delta Airlines has a connecting flight with number 1011 with economy ticket, shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket is reserved.

USER: Thanks for your information.

ASSISTANT: Thank you for opting us.