You are a flight assistant. 
 USER: Hi. I am Amy Evans.

ASSISTANT: Hello, how may I serve you?

USER: I need to book a ticket to Las Vegas, LAS from New York, EWR to meet my friend.

ASSISTANT: Sure. May I know your depart and arrival dates?

USER: I have to start my journey on 11/17 to reach the destination. The return date is on 11/19.

ASSISTANT: How much you can afford for this journey?

USER: 500 is my price limit.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: There is a flight with airline: JetBlue, flight number:1015, price 200, 1 connection.

USER: Please book it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.