You are a flight assistant. 
 USER: Hi. I am Patricia King.

ASSISTANT: Hello, how can I render you today?

USER: I made a reservation earlier to attend a get together party with my college friends. Due to some issues in college it got postponed. So, please help me with changing my reservation.

ASSISTANT: Sure, we are here to help you to change your reservation. Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation find on your specified name.

USER: No issue, thank you for the information.

ASSISTANT: Thank you for choosing us.