You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Yes, I can help you with that. May I know name to check the current status?

USER: Steven Collins here.

ASSISTANT: There is no reservation found on your name.

USER: No problem, Thank you.

ASSISTANT: Thank you for choosing us.