You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I best serve you?

USER: I am Patrick King. Please book a ticket from Phoenix, AZ-PHX to New York, NY-EWR.

ASSISTANT: Sure, please share your travelling dates?

USER: Travelling dates are from 02/16 to 02/18. Price limit is 200. Connections limit is 1.

ASSISTANT: Thanks for providing your details.

USER: Ok.

ASSISTANT: We found a flight ticket in Delta airline with exactly matches your requirements. Shall I proceed for booking with 1012 flight number?

USER: Please book ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thanks for availing us.