Hello,.
user
Hello, how can I aid you?
assistant
I am David Davis. Please help me with changing my reservation due to some changes in the plan of my trip with my colleagues.
user
Sure, we will help you.
assistant
Thank you.
user
Please wait a moment.
assistant
Sure.
user
Sorry to say you that there is no reservation found on your name to proceed further.
assistant
Ok, no issue. Thank you.
user
Thank you for choosing us.
assistant