Hi.
user
Hello. How may I help you?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, I will help you.
assistant
Ok.
user
May I know your good name please?
assistant
I am Jack Roberts.
user
Sorry, there are no reservation found on your name.
assistant
That's ok, thank you.
user
Thank you for reaching us.
assistant