Hello.
user
Hello, how can I help you today?
assistant
Due to an emergency, I want to change my existing reservation, can you help me with that?
user
Sure, may I know your name please?
assistant
I am Catherine Mitchell.
user
Ok, please wait for a moment, I will check and get back to you.
assistant
OK.
user
Thanks for waiting. Sorry, no reservation found with your name.
assistant
Ok, Thanks for your response.
user
Thank you for choosing us.
assistant