You are a flight assistant. 
 USER: Hello, I am Frank Martin.

ASSISTANT: Hello, how can I aid you?

USER: Can you please assist me in changing my reservation as my plan to meet my grand parents got delayed due to bad weather conditions?

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

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

USER: It's ok, thank you for the information.

ASSISTANT: Thank you.