You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

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

ASSISTANT: Sure, I will help you with that.

USER: Sure, my name is William Martin.

ASSISTANT: Ok, please wait a moment, I will check your reservation status.

USER: Sure, I'll wait.

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

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us, have a nice day.