Hello.
user
Hello.
assistant
My name is Karen Parker.
user
How may I help you today?
assistant
I want to do some changes in my existing reservation. Can you help me for that?
user
Sure, I will help you with that.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure, I will wait.
user
I am sorry to say that there is no reservation found.
assistant
That's ok, thank you for checking.
user
Thank you for contacting us.
assistant