Hello.
user
Hello.
assistant
My name is Frank Hall.
user
How can I assist you?
assistant
I want to do some changes in my existing reservation, can you help me for that?
user
Sure, please wait for a minute.
assistant
Sure, I will wait for your response.
user
Hall, there is no reservation found with your details.
assistant
That's ok, thank you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user