You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Hall.

ASSISTANT: How may I help you today?

USER: I want to cancel my recent reservation due to my busy work, help me in cancelled my reservation.

ASSISTANT: Sure, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your time. Sorry, no reservation found in your given name.

USER: Its ok, thank you.

ASSISTANT: Thank you for reaching us.