You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Jacob Jackson.

ASSISTANT: How can I help you?

USER: I would like to cancel my reservation as I was fallen sick. Please help me.

ASSISTANT: Sure, just a moment please.

USER: Ok, take your time.

ASSISTANT: I am sorry no reservation found on your name.

USER: Oh! its ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.