You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Los Angeles with my friends. Can you do the reservation?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are DTW-LAX.

ASSISTANT: When do you want to travel on?

USER: My trip dates are 04/07 and 04/09.

ASSISTANT: On which name would you like to reserve this ticket.

USER: Robert Carter here.

ASSISTANT: Robert Carter, we found a flight on your details with airline UA, flight number: 1001. Shall I book this ticket?

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.