You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please assist me with cancellation of my previous booking due to my health issues?

ASSISTANT: Sure, may I know your name to check?

USER: My name is Eric Anderson.

ASSISTANT: I have found your reservation under your name, can I proceed to cancel?

USER: Yes, please.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for helping me with cancellation of my ticket.

ASSISTANT: Welcome.

USER: Welcome.