Hello.
user
Hello. How may I help you?
assistant
Please help me to change my recent reservation.
user
Sure, I can do that for you. Please let me know your name.
assistant
Timothy Allen.
user
Thank you. Please wait for a while.
assistant
Sure.
user
Sorry, I have not found any reservation under your name in our database.
assistant
Thank you for your information.
user
You are welcome and have a nice day.
assistant