Hi.
Hello, how can I help you?
Actually, I want to change my existing reservation which is done recently due to some problems, can you please help me in this?
Sure, I am here to help you. May I know your name please?
Thank you. Sure, my name is Matthew Walker.
Ok, please wait a minute.
Sure, I will wait.
Thank you for waiting, sorry no reservation found on your name.
Ok, not an issue.
Thank you for reaching us, have a good day.