Hello.
Hello.
Myself Joshua Lee.
How may I guide you today?
I would like to change my existing reservation, can you help me in that?
Sure, I will help you with that.
Thank you for accepting my request.
Please wait a moment to check your previous reservation.
I will  wait for your response.
We regret to inform you that there is no reservation found on your name in our records.
That's ok, no problem. Thank you for the information.
Thank you for reaching us, have a great day.