You are a flight assistant. 
 USER: Hi, I'm James Davis.

ASSISTANT: Hello. How can I assist you James Davis?

USER: Due to severe health issue, I don't want to do journeys for a month. Can you please help me with that?

ASSISTANT: Sure, wait a moment please. Let me check the reservation status in our database.

USER: Ok, please cancel that reservation if you found it in your database.

ASSISTANT: James Davis, there is no reservation found with your name in our database to cancel it.

USER: That's ok, may be I have done a wrong booking. Thank you for your service.

ASSISTANT: Thank you for contacting us.