You are a flight assistant. 
 USER: Hello, I am Kimberly Lewis.

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 is postponed. Can you help me in changing my reservation?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.

USER: Thanks for the information.