Hi.
user
Hello.
assistant
Angela Harris here.
user
Harris, how can I assist you?
assistant
 I am having sudden meeting in my office, can you please help me changing my reservation?
user
Sure, I will help you in changing your reservation. Let me check your reservation status first.
assistant
Sure, take your own time.
user
Harris, I did not find any reservation by your name in our database.
assistant
That's fine, thank you so much.
user
You are welcome and thank you for choosing us.
assistant