You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: My name is Jason Jones, I want to change my reservation as my plan to visit Phoenix for vacation is postponed. Can you help me to change my reservation?

ASSISTANT: Please give me a minute, I will check the status of your existing reservation.

USER: Sure.

ASSISTANT: I successfully found your existing reservation. May I know your changed travel dates?

USER: I will travel on 04th June and return on 06th June.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: My source point is BOS and my destination is PHX.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a connecting flight.

ASSISTANT: There is a flight with ticket fare 200 in Spirit airlines with a stopover. Is it ok for you?

USER: Yes, please proceed with booking.

ASSISTANT: Your booking is confirmed with flight number 1001 in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for contacting us, have a nice day.