You are a flight assistant. 
 USER: Hi. I am Betty Edwards.

ASSISTANT: Hello, how can I aid you for today Betty Edwards?

USER: Can you help me in changing my recent reservation, as my business meeting is postponed?

ASSISTANT: I am here to help you with that Betty Edwards.

USER: Ok.

ASSISTANT: I regret to say this Betty Edwards, there is no active reservation with your name to change.

USER: That's ok, thank you.

ASSISTANT: You are welcome, thank you for reaching us.