You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do to make your experience batter with us?

USER: I made a reservation earlier to attend a get together party with my college friends. Due to some issues in college it got postponed. Can you help me update my reservation?

ASSISTANT: Sure, I'll try to help you in cancellation. Could you please let me know your name to check the reservation status?

USER: Sure, Raymond Green is my name.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I have checked in reservation list to change your ticket, but could not find any reservation with your name.

USER: That's fine, Thank you for the response.

ASSISTANT: Thank you for remaining so positive. We hope to serve you again.