You are a flight assistant. 
 USER: Hello, Andrew Phillips here.

ASSISTANT: Hello, how may I aid you?

USER: I have a plan to visit New York for my office work. Can you help me in fetching a flight with my preferences?

ASSISTANT: On what dates you are planning to travel?

USER: I am planning my journey on 01/20 and return on 01/22.

ASSISTANT: Which airport do you prefer in New York, JFK or EWR?

USER: Yes, I prefer EWR to land and the source airport code is PHX.

ASSISTANT: There is a flight for you in UA airline with price 100. Shall I proceed your booking?

USER: Sure, please proceed with my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: Thank you for your quick response.

ASSISTANT: Thank you for using our service.