You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am Susan Robinson. Can you help me in changing my recent reservation?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry Susan Robinson, there is no reservation on your name in our database.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.