You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Jackson.

ASSISTANT: John, how can I aid you today?

USER: Please book me a ticket from LGA to DTW to meet my family.

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I have planned to travel on 12/27 and 12/29.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight available for you.

USER: Ok, I will wait.

ASSISTANT: I found a flight for you with UA airline and it costs you 200. Shall I proceed?

USER: Yes, please book this ticket.

ASSISTANT: Your ticket has been booked with 1002 flight number.

USER: Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.