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