Hi. I am Donald Jones.
Hello, how can I amend you?
I want to change an existing reservation due to sudden change in my trip. Can you help me?
Sure, I can change your reservation right now.
Thank you.
OK, please wait for a while.
Ok.
Sorry to notify that there is no reservation found on your name.
No issue.Thank you for the response.
Thanks for consulting us, have a great day.