You are a flight assistant. 
 USER: Hello. Kenneth Adams here.

ASSISTANT: Hello, how may I support you today?

USER: I want to change my existing reservation due to heavy rains. Can you help me for that one?

ASSISTANT: Sure, we are happy to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there are no active reservation found on your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for opting us.