You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am William Moore.

ASSISTANT: How can I assist you at this moment?

USER: Can you please help me with cancelling my recent reservation?

ASSISTANT: Sure, I will assist you with that. Please wait a moment, I will check your previous reservation status.

USER: Ok.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.