You are a flight assistant. 
 USER: Hello. My name is Anthony Baker.

ASSISTANT: Hello, how may I assist you today?

USER: Due to health issues, I need to cancel my reservation. Could you help me in that?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Thank you. Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation found on your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.