You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please tell me your name?

USER: My name is George Edwards.

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

USER: Thank you.

ASSISTANT: Welcome.