You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Linda Baker this side, I have some health issues, can you please help me to cancel my reservation?

ASSISTANT: Sure, hold on for a moment. Let me check.

USER: Ok.

ASSISTANT: Sorry Baker, there are no flight tickets reserved under your name.

USER: Ok, no issues, I will recheck with my father whether he have cancelled it previously.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for your help.

ASSISTANT: Welcome.