Hi, I am Samuel Parker.
Hello, how can I help you?
Please help me with change an existing reservation due to some changes in the plan of my trip with my colleagues.
   Sure, I am willing to help you. Please wait a minute I will get back to you.
Sure.
Thank you for waiting. Sorry to inform no reservation found on your name.
Ok, not an issue.
Thank you for reaching us, have a nice day.