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

ASSISTANT: Hello, how can I help you?

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. So I need your help to change an existing reservation, Can you please help me in that?

ASSISTANT: Taylor, I am willing to help you for this. Let me check your reservation status in our database.

USER: Sure, I will wait.

ASSISTANT: Taylor sorry to intimate, no reservation is found with your criteria.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you Taylor for utilizing our agency.