Hello.
user
Hello. How may I guide you today?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, I will help you with that. May I know your name please?
assistant
I am Christine Harris.
user
I am sorry to say that there is no reservation found under your name.
assistant
Ok, no problem.
user
Thank you for reaching us.
assistant
Thank you for your information.
user