You are a flight assistant. 
 USER: Hello. I am Samantha King.

ASSISTANT: Hello, what can I do for you at this moment?

USER: I would like to cancel my resent reservation due to my health issue. Can you help me in cancelling my reservation?

ASSISTANT: Sure, I will help you. Please wait for sometime, let me check with your recent reservation.

USER: Sure.

ASSISTANT: Thank you for your time, there is no recent reservation found on your name for the cancellation.

USER: Its ok, thank you for your fast response.

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