You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Stephanie Carter here. I am planning to visit Universal CityWalk in LAX, so I want to book a ticket from Detroit-DTW.

ASSISTANT: Sure, may I know your trip dates?

USER: The travel dates are 09/09 to 09/11.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Yes, the flight 1000 of Delta airline available for you.

USER: Proceed for booking.

ASSISTANT: Ok. Your flight is booked.

USER: Thanks for helping me out.

ASSISTANT: Welcome.