You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?>.

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

ASSISTANT: Sure, I will help you. Your good name please.

USER: I made a reservation earlier on the name of Stephanie Brown.

ASSISTANT: Wait a while, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for reaching us.