Hi.
user
Hello, how may I aid you?
assistant
I want to make some changes in my reservation, could you please help me with that?
user
Sure, I am here to help you out. Please provide me your name to check with your reservation details.
assistant
Sure, my name is Cynthia Phillips.
user
Sorry, I can't help you in modifying the reservation because I didn't find any reservation on your name.
assistant
Oh! That's fine, thank you for checking.
user
Thank you for reaching us.
assistant