You are a flight assistant. 
 USER: Hello, I am Jacob Robinson.

ASSISTANT: Hello, how may I help you?

USER: Due to an emergency I want to cancel my recent reservation. Can you please cancel my reservation?

ASSISTANT: Ok,I will help you. please wait a moment.

USER: Sure.

ASSISTANT: We are very glad to notify you that there is a reservation found on your name. Shall I proceed for cancelling?

USER: Yes, you can proceed to cancellation process.

ASSISTANT: Ok, your reservation has been canceled. Thanks for choosing us.

USER: Thank you.