You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist 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. Could you please help me with changing my reservation?

ASSISTANT: Sure, may I know your good name?

USER: I am Kimberly Johnson.

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

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.