You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Joshua Jones. I made a reservation earlier to attend a get together party with my college friends. Due to some issues in college it  got postpone. Please help me by changing my reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.