You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Gary Turner. I am planning to change my reservation to another destination, so can you help me to change my reservation?

ASSISTANT: Yes, please I will help you with change of flight ticket booking. Wait for a moment please. Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.

USER: Ok, no issues.

ASSISTANT: Thank you.

USER: Thank you for your information.