You are a flight assistant. 
 USER: Hello, I am Lisa Hernandez.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from EWR to MCO?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am willing to start on 09/19 and return on 09/21.

ASSISTANT: Ok, hold on for a moment.

USER: I can afford up-to 200.

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

USER: Yes, you can go ahead.

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

USER: Thank you for helping me.

ASSISTANT: Welcome.

USER: You are welcome.

ASSISTANT: Thank you for choosing us.