You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm planning to visit Los Angeles, can you please book a ticket from DTW to LAX?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, my planned departure and return travel dates are 16th and 18th of Feb.

ASSISTANT: May I know your name please?

USER: My name is Frank Hill.

ASSISTANT: Do you have any preferences?

USER: I prefer single connected flight.

ASSISTANT: There is a flight in an airline Delta with 1011 number having a single connection in an economy class. Shall I proceed to book?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.