You are a flight assistant. 
 USER: Hello. Helen Campbell on this end.

ASSISTANT: Hello. How may I help you today?

USER: I would like to cancel my recent booking due to very high fever, can you help me?

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

USER: Ok, please tell me my existing reservation status.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: Oh! That's ok, thanks for checking anyways.

ASSISTANT: Thank you for approaching us.

USER: You are most welcome.