You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation, because of my health issue. Can you please cancel my reservation?

ASSISTANT: Ok, so sad. Can you please provide your name?

USER: My name is Eric Harris.

ASSISTANT: Ok, no reservation found on your name.

USER: Thank you for helping me out.

ASSISTANT: Ok, thank you for contacting us.