You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Gregory Robinson. Please book a flight ticket from CLT to DTW.

ASSISTANT: Sure, may I know your travel dates?

USER: 12/07 and 12/09 are my trip dates.

ASSISTANT: At what time do you like to travel?

USER: My return time should be at afternoon.

ASSISTANT: Do you prefer economy or business class?

USER: I am comfortable with any class.

ASSISTANT: We found a economy flight on your details with JetBlue, flight number: 1026 and one connection limit. Shall I book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.