You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend my grand father memorial day at New York. Can you book a ticket?

ASSISTANT: My condolences are with you. Yes, I will help you to book it. Please provide your travelling details to proceed further.

USER: My travelling days are 09/28 and 09/30.

ASSISTANT: Can I know your name?

USER:  I will depart from AZ-PHX to NY-LGA. I am Susan Turner.

ASSISTANT: There is a flight in Southwest airline which flight number is 1001 with the price of 100. Shall I continue for booking?

USER: Ok, you can continue with the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank You for booking.

ASSISTANT: Thanks for opting us.

USER: Thank you for your service.