You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Due to some health issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you. Let me check your reservation status in our database.

USER: Sure, take your time.

ASSISTANT: May I know your name please?

USER: My name is Samuel King.

ASSISTANT: King, sorry for inconvenience no reservation is found on your name in our database.

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

ASSISTANT: You are most welcome.