You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for 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. So can you please help me to change my reservation?

ASSISTANT: I am happy to help you in changing your reservation. Can you please provide your name for checking the reservation status with your name?

USER: Thank you, my name is Paul Parker.

ASSISTANT: Sorry to say this Paul Parker, there is no active reservation with your name in our booking list.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: You are welcome, thank you for reaching us.