You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you help me to book a flight ticket from PHX to JFK?

ASSISTANT: Sure. let me know your travel dates?

USER: My travelling dates are 18 and 20 of Mar.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Are there any other benefits you would like to avail?

USER: No.

ASSISTANT: Ok. can you share your name to proceed further?

USER: I am Karen Thomas.

ASSISTANT: United Airlines has a connection flight with number 1004 for fare 300, shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is reserved in economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.