Hi.
Hello, how can I guide you for today?
Please help me with changing my reservation due to some changes in the plan of my trip with my colleagues.
I am here to help you in changing your reservation.
Thank you.
Can you please provide your name to check the reservation status with your name in  our booking list?
Sure, my name is Eric Walker.
Sorry for the trouble which is caused to you, I have not found any reservation on your name in our database.
No issues, thank you for your time.
You are welcome, thank you for reaching us.