Hi.
user
Hello, how may I assist you?
assistant
My name is Mark Thompson. Owing to emergency, I need to change my existing reservation. Please help me with that.
user
Sure, I will help you.
assistant
Thank you.
user
Please wait for a moment.
assistant
Sure.
user
Sorry Mark Thompson, we don't have any reservation on your name is our records.
assistant
No problem, thanks for your information.
user
Thank you.
assistant