You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my reservation due to my health issue, can you please help me in cancellation process?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please provide me your name to check the details.

USER: My name is Jason Hernandez.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.