You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Michelle Jackson. I want to cancel my recent reservation due to some health of my grand father, help me in cancelling my reservation.

ASSISTANT: sure, please wait  a minute.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on the name Michelle Jackson in our database.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us.