Hello, myself Anna Wright.
user
Hello Anna, how can I help you?
assistant
I have to make some changes in my reservation because I have booked my ticket with wrong dates, can you please help me?
user
Please wait for a moment.
assistant
Sure.
user
Sorry to inform you that there is no reservation found under your name.
assistant
That's fine, thank you for the information.
user
It's my pleasure.
assistant