You are a flight assistant. 
 USER: Hello,. I am John Allen.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit a Arizon Desert with my friends at Phoenix, so can you make a reservation with a connecting flight?

ASSISTANT: Sure. May I know your airport codes?

USER: I need to leave from my nearest airport JFK to reach PHX.

ASSISTANT: Can you share me your travelling dates?

USER: I want to travel on 08/25, and need to catch return flight on 08/27.

ASSISTANT: Is there any price limit?

USER: Make sure to check a flight with in a price limit of 200.

ASSISTANT: There is a flight 1015 in Delta airline and price 100 with a connection. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Reservation is done.

USER: Thanks for the kind help.

ASSISTANT: Thank you.