You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Samantha Turner want to cancel my reservation.

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for your time. Sorry, we couldn't find any reservation on your name.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.