You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Amy Garcia.

ASSISTANT: Amy Garcia, how can I aid you today?

USER: Can you help me to change my reservation to next week?

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

USER: Sure, take your time.

ASSISTANT: Sorry Amy Garcia, there are no flights reserved on your given name formerly.

USER: No issues, thank you for your time.

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