You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Deborah Evans. 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 in change my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name in our database to change.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for approaching us.