You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to change my existing reservation due to bad weather condition, can you please help me with that?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: My name is Ronald Martin.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Thanks for being waiting, there is no active reservation found on your name to change.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.