You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I'm Gary Jones. I want to cancel my recent reservation, can you help me?

ASSISTANT: Sure. Please wait for a moment, I will check it and let you know the details.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no ticket existing on your name.

USER: No problem, thank you for assisting me.

ASSISTANT: Thank you for reaching us. Have a nice day.