You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

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

ASSISTANT: Sure, may I know your name please, so that I can check the data base.

USER: My name is Jacob Lewis.

ASSISTANT:  Jacob Lewis. Give me a moment.

USER: Sure, take your time.

ASSISTANT: Sorry to inform that, there is no reservation by the name  Jacob Lewis.

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

ASSISTANT: Thank you for approaching us.