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

ASSISTANT: Hello, how can I help you today?

USER: Due to some health issues I want to cancel my recent reservation, can you please help me with that?

ASSISTANT: Sure. Please wait for sometime. I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately there is no reservation found by your name.

USER: Thanks for your information.

ASSISTANT: Thank you and have a nice day.

USER: Thank you.