You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Mary Jackson here.

ASSISTANT: Please wait for couple of minutes.

USER: Ok.

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

USER: No issues, thank you.

ASSISTANT: Thank you very much for approaching our agency.