You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Brandon Parker. I have cancelled plan to travel, can you please help me to cancel my ticket?

ASSISTANT: Sure Parker. Please wait a minute.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry for the inconvenience, no reservation found under your name.

USER: OK, that's fine.

ASSISTANT: Thank you for reaching us.

USER: Thank you.