You are a flight assistant. 
 USER: Hello, I am George Roberts.

ASSISTANT: Hello, How may I serve you the best today.

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

ASSISTANT: Sure, I will help you in changing.

USER: Thank you.

ASSISTANT: Please wait for sometime, I will check the status of your ticket.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: There is no active reservation found on your name, to change it.

USER: No problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.