You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Brenda Gonzalez, want to change my destination. Can you change my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

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

USER: That's fine, thank you.

ASSISTANT: Most welcome.