Hello. Myself Anthony Hill.
Hello. How may I assist you today?
Due to some urgent seminar meeting, I am going to change my existing reservation. Can you please help me in changing the reservation?
Please wait a moment, let me check with the details.
Sure, I will wait for your response.
Sorry Anthony Hill, there are no active reservations on your given name.
Not a big problem, anyhow thank you very much for your service.
Thank you for reaching our service.