Hi.
user
Hello. How may I aid you?
assistant
Can you please help me in changing my existing reservation?
user
Sure, may I know your name for checking previous reservation in our database?
assistant
I am Catherine Adams.
user
Please wait for a moment.
assistant
OK.
user
Sorry to inform you that, there is no reservation found as per your name in our database.
assistant
No issues, thank you.
user
Thank you for reaching us with a query.
assistant