You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Would you please make a plane reservation on the name of Jennifer Allen?

ASSISTANT: Sure, may I know your source and destination?

USER: I would like to go for a round trip to Las Vegas, NV - LAS.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can afford up to 200.

ASSISTANT: May I know your planned travel dates?

USER: My planned dates are on 09/21 to 09/23.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We are glad to say that, we found a Delta airline, flight number: 1016, price: 100 with one connection.

USER: Ok, you can go ahead.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.