You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: My name is Eric Taylor, I want to change my existing reservation due to heavy rainfall.

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thanks for your time, there was no reservation found on your name.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for opting us.