Hello.
user
Hello, what can I do for you?
assistant
I want to change an existing reservation. Can you please help me out?
user
Sure, can you please tell me your name to check your existing reservation?
assistant
Sure, my name is Emma Clark.
user
OK, please wait a moment. I will check for the existing reservation.
assistant
Sure.
user
Sorry, there is no reservation found with your name.
assistant
OK, thank you for your information.
user
Welcome. Thank you for reaching us. Have a good day.
assistant