Hello.
user
Hello. How may I assist you?
assistant
I need to change my existing reservation, which is done recently. Can you please help me out?
user
Sure, may I know your name?
assistant
Thank you for considering my request, myself Melissa Walker.
user
Please wait a moment.
assistant
Sure, I will wait for your response.
user
Sorry, there is no reservation on your name.
assistant
Not a problem, anyway thank you for the information.
user
Thank you.
assistant