You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Samantha King. I want to cancel my recent reservation due to my health issue, so can you please help me in cancellation?

ASSISTANT: Sure, will you please give me a moment?

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Welcome, have a great day.