You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can we assist you today?

USER: I want to cancel my ticket reservation due to some health concern, can you cancel my ticket booking?

ASSISTANT: Sure, I will help you. Can you please provide me your name?

USER: My name is Andrew Anderson.

ASSISTANT: Andrew, let me check for your reservation status.

USER: Sure.

ASSISTANT: Andrew, I have not found any reservation by your name.

USER: That's fine, no problem with that one. Thank you for your help.

ASSISTANT: Thank you for choosing us and have a nice day.