You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, I am very happy to help you with that.

USER: Thank you for taking my request.

ASSISTANT: I need to know your good name please.

USER: I have reserved it on the name of Stephen Rodriguez.

ASSISTANT: Sorry, no reservation is found on your name in our database.

USER: Oh! It might be cancelled by my cousin I think. Anyway, thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: Welcome.