You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Due to my health problem I want to cancel my active reservation, can you please help me in that?

ASSISTANT: Sure, please give me a moment to check your ticket status. May I know your name?

USER: My name is Donna Rodriguez.

ASSISTANT: Donna, I found your reservation and cancelled it.

USER: Thank you.

ASSISTANT: Thank you for reaching us.