You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: 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 out. Please provide me your name to check the reservation on your name.

USER: Sure, my name is Robert Thompson.

ASSISTANT: Sorry Robert Thompson, there is no active reservation on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.