Hello.
user
Hello. How can I help you?
assistant
I am looking to do some changes in my existing reservation. Can you help me for that?
user
Sure, please help me with your name to check your reservation details in our database.
assistant
My name is Nicole Allen.
user
Thank you, please wait for a while.
assistant
Sure, I will wait for your response.
user
I am sorry to say you that there is no reservation found under your name in our database.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user