You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Eric Green. Would it be possible to change my reservation to new locations?

ASSISTANT: If we find your reservation, you can change it. Give me a minute for checking.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.