Hello.
Hello, tell me how may I assist you?
I am Charles Collins.
How are you Charles?
I am doing good, thank you for asking. What about you?
I am also fine.
I have cancelled my holiday trip, could you help me to cancel my reservation?
Sorry to say,  Charles,there is no flight ticket found on your  name.
Oh! that's fine. Thank you for your quick response.
Thank you for contacting us Charles.