You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I want to cancel my reservation due to some health issues, will you please help me in cancellation?

ASSISTANT: Sure, let me know your name to check further?

USER: Sure, my name is Samantha Lewis.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: Found reservation and successfully cancelled at your request.

USER: Thank you.

ASSISTANT: Thank you for reaching us.