Hi, I am Richard Perez.
Hello, how may I assist you today?
Owing an emergence, I want change my existing reservation. Can you please help me with it?
Sure, we are here to help you.
Thank you.
Please wait for a while.
Ok.
Thank  you for waiting. Sorry to inform you that, we could not find any reservation on your name.
Ok, no issues. Thanks for the help.
Thank you for connecting with us.