You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I serve you?

USER: I am Betty White. I would like to cancel my recent reservation, my baseball tournament has been rescheduled to future dates. Can you please help me with that?

ASSISTANT: Sure, let me check the data base and revert you?

USER: Sure.

ASSISTANT: Thanks for waiting, There is no reservation found on the name you provided.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for approaching us.