You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: I want to cancel my recent reservation due to health issues.

ASSISTANT: Sure, I will help you to cancel your ticket. May I know your good name?

USER: My name is Samantha Hall.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.