You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait for you response.

ASSISTANT: There is no active reservation on your name to cancel in our database.

USER: That's ok, no problem. Anyway thank you for checking.

ASSISTANT: Thank you for choosing us.