You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I would like to visit Discovery cave at New York, can you help me in booking my ticket?

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

USER: In New York, NY-EWR water park is very beautiful to visit, so I need to travel from Phoenix, AZ-PHX.

ASSISTANT: Please share your itinerary dates.

USER: I would like to book my ticket on 04/13 and after enjoying at water park I need to return on 04/15.

ASSISTANT: Please wait for a while.

USER: Ok, sure.

ASSISTANT: May I know your name for further proceedings?

USER: Myself Jonathan Green.

ASSISTANT: Flight 1000 of Delta airlines is providing service from PHX to EWR on your preferred dates.

USER: Ok, you can proceed to book my ticket.

ASSISTANT: Green, your ticket is booked.

USER: Ok. Thank you for your help.

ASSISTANT: Thank you for approaching us, have a safe and happy journey.