You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, I am here to help you for this. Could you please share me your name?

USER: Myself, Helen Moore.

ASSISTANT: Just a moment, let me check your reservation status in our database.

USER: Ok.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to cancel.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you very much for approaching our agency.