Hi.
Hello, how can I address you?
I want to change my existing reservation which is done recently due to some problems, can you please help me in this?
Sure, may I know your name to check your reservation from our database?
Sure, my name is Kevin Johnson.
We regret to inform you that there is no active reservation found on your name to change.
Ok, no problem. Anyways, thank you for your service.
Thank you for contacting us.