You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I aid you today?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please be my helping hand?

ASSISTANT: Sure, May I know your name?

USER: I am Joshua Rodriguez.

ASSISTANT: Sorry to tell that there is no reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your response.