You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What else can I assist you today?

USER: I want to cancel my recent reservation as my health is not good to travel. Please help me in that.

ASSISTANT: Sure, I will help you to cancel your reservation but I need your name to check the reservation details.

USER: My name is Andrew Johnson.

ASSISTANT: Johnson, I have cancelled your reservation successfully.

USER: Thank you for your help.

ASSISTANT: It's my pleasure, have a great day.