Hi.
user
Hello, how may I help you?
assistant
I need to change my reservation due to urgent meeting, can you help me?
user
Sure, I am here to help you. Please let me know your name.
assistant
I am Matthew Williams.
user
Thank you. Please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation found under your name in our database.
assistant
That's ok. Thank you for your help.
user
You are most welcome.
assistant