You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jason Jackson.

ASSISTANT: How may I assist you?

USER: There is a heavy rainfall in our region due to which I can't make my journey. Can you please change my reservation?

ASSISTANT: Sure, please provide your updated journey dates.

USER: I am planning my journey on dates 02/13 and 02/15.

ASSISTANT: May I know your airport codes?

USER: The airport codes remain same, they are BOS and JFK respectively.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in AA airlines with price 100. Can I proceed?

USER: Please proceed with booking the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1010.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.