You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

USER: I am Raymond Hill. I want to cancel my recent reservation, will you do that please?

ASSISTANT: Sure, we are here to help you. please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform no reservation found with your name.

USER: Fine, thank you for your valuable time.

ASSISTANT: Thanks for reaching us, have a good day.