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