You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my recent reservation, due to some health issue. Can you help me?

ASSISTANT: Sure, can you share your name?

USER: Ok, my name is Angela Williams.

ASSISTANT: We found a reservation on your name, and it has been cancelled successfully.

USER: Thank you for your valuable help.

ASSISTANT: Thank you for reaching us.