Hi.
user
Hello.
assistant
I am Amy Thompson.
user
How could I assist you today?
assistant
 I made a reservation earlier in the wrong date unknowingly. So, I want to change my existing reservation. Can you help me out?
user
Sure, please wait for a while.
assistant
Sure, I will wait for your response.
user
Thanks for waiting, no reservation was found on your name in the database.
assistant
Not an issue, thank you for your kind information.
user
Thank you for choosing us.
assistant