You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be a help for you?

USER: I need a reservation on the dates from Austin to Las Vegas to meet my uncle, who own's a casino.Can you help me?

ASSISTANT: Sure, I will help you. May I know your preferable dates to travel?

USER: My travelling dates will be from 04/29 to 05/01.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My source code is AUS and my destination code is LAS.

ASSISTANT: Please wait for a while.

USER: Ok, take your own time.

ASSISTANT: There is a flight available on your requested dates from Delta airlines with 1 connecting flight. Do you like to travel in this airlines?

USER: May I know the price please?

ASSISTANT: Yes, the fare is 100 only.

USER: Ok, please book this flight for my trip.

ASSISTANT: May I know your name to book the ticket?

USER: Myself David Mitchell.

ASSISTANT: Your ticket is booked with flight 1011.

USER: Thank you for helping me.

ASSISTANT: You are welcome. Have a nice journey.