You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: i want to cancel my recent reservation due to some health problems. Can you please help me with this?

ASSISTANT: May I know your name?

USER: Sure, my name is Ryan Thomas.

ASSISTANT: I have found your reservation and got cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.