You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name please?

USER: My name is Elizabeth king.

ASSISTANT: OK Elizabeth,how may I help you?

USER: I want to book a flight ticket from NV-LAS to FL-MCO.

ASSISTANT: Sure,will you please provide me the dates for which you are looking for your vacation?

USER: OK, my travelling dates are from 04/18 to 04/20.

ASSISTANT: Just wait a moment.

USER: My price limit is 500 and connections limit is 1.

ASSISTANT: Yes,this flight is exactly with in your limits. Can I book this for you?

USER: OK, please book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for selecting us.