You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I want to cancel my reservation which has done earlier due to feeling not well. Please help me in cancellation.

ASSISTANT: Sure, I will help you with cancellation. May I know on which name the ticket has been reserved?

USER: Stephen Gonzalez is my name.

ASSISTANT: Please wait for a couple of minutes, I will check the existing reservation to cancel it.

USER: OK.

ASSISTANT: Thank you for waiting. Sorry to notify you that, there is no reservation found on your name.

USER: Ok, no problem at all. Thanks for the response.

ASSISTANT: Thank you for connecting with us.