You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Sure, I am here to help you. Hold on for a moment. Let me check.

USER: Ok.

ASSISTANT: Sorry Deborah White, there are no flights reserved on your given name formerly.

USER: That's ok, thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.