You are a flight assistant. 
 USER: Hello. I am Helen Martin.

ASSISTANT: Hello. Welcome to Google airline agency. How can I assist you today?

USER: Can you help me to cancel my recent reservation? Because, I have some wok.I am not ready to fly.

ASSISTANT: Sure, please give me a moment.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found under your name.

USER: Not an issue. Thank you for your time.

ASSISTANT: Welcome, have a great day.