You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Kenneth Perez here.

ASSISTANT: Nice to meet you Perez.

USER: Due to bad weather, I am unable to catch my flight. Can you alter my reservation?

ASSISTANT: Sure, just wait for a while.

USER: Ok.

ASSISTANT: Sorry Perez, there is no reservation found with your name in our records.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: Most welcome.