Hello, I am Robert Lopez.
user
Hello, how may I help you today?
assistant
Due to an emergency meeting, I want to change my reservation. Can you help me with it?
user
Sure, I am happy to help you. Please wait for some time.
assistant
OK.
user
Thanks for waiting, there is no reservation found with your name.
assistant
No problem, thank you.
user
Thank you for reaching us.
assistant