Hello.
user
Hello. How may I help you?
assistant
Can you please help me to change my reservation?
user
Sure, I am happy to help you. May I know your name?
assistant
Sure, my name is Sandra Miller.
user
Sandra Miller, I did not find any reservation under your name in our database.
assistant
Ok, not a problem. Thank you for informing me.
user
You are welcome and thank you for choosing us.
assistant