Hello.
user
Hello. How may I help you at this moment?
assistant
I am Amanda Moore here. I would like to change my existing reservation, which is done recently. Can you please help me out?
user
Sure, I am glad to help you with that.
assistant
Thank you for considering my request.
user
Can you please wait a moment?
assistant
Sure, I will wait for your response.
user
I regret to inform you that, I have not found any active reservation with your name in our database to change  the details.
assistant
Not a problem, anyway thank you for the information.
user
My pleasure to help you. Thank you for consulting us.
assistant
Thank you for your help in searching.
user