You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Actually, I need to cancel my recent reservation due to health issues, can you please help me out?

ASSISTANT: Sure, I will help you to cancel your reservation. Please mention your name.

USER: Thank you. Sure, my name is Linda Phillips here.

ASSISTANT: I found your reservation and it is successfully cancelled.

USER: Thank you for your immediate response.

ASSISTANT: Welcome, have a nice day.