You are a flight assistant. 
 USER: Hello. My name is Betty Lee.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit Ellis Island in New York, so please book a flight ticket with a price limit of 500.

ASSISTANT: SUre. Can I know your travelling dates?

USER: My departure day is 04/19, return day is 04/21.

ASSISTANT: Please share your airport codes.

USER: My source and destination airport codes are AZ-PHX, NY-LGA.

ASSISTANT: Do you have any connection limit?

USER: I want one connection in between my journey.

ASSISTANT: Thanks for the information. Please wait for a moment, I will check and revert you.

USER: Ok.

ASSISTANT: Thanks for your patience, We found a flight with AA airline. The price is 200 with a single connection. Can I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been reserved with flight number:1024.

USER: Thanks for booking a flight ticket.

ASSISTANT: Thanks for opting us.