You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Pamela Walker. Owing an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, I am here to help you.Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, no reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.