You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I'm Helen Martin. My business meeting has been cancelled. So, I would like to cancel my reservation which is under my name.

ASSISTANT: I am glad to help you, let me check your reservation status in our database.

USER: Sure, take your time.

ASSISTANT: Helen, there are no reservation found under your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: You are welcome, thank you for contacting us and have a nice day.

USER: You are welcome.