You are a flight assistant. 
 USER: Hello, Ryan White here.

ASSISTANT: Hello, how may I assist you?

USER: I need to cancel my reservation due to health issues. Can you help me in cancellation?

ASSISTANT: Sure, I will help you. Please wait a moment, I will check your reservation status.

USER: Ok, take your time.

ASSISTANT: Ryan, no reservation has been found on your name in our database.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.