Hello.
user
Hello. How may I aid you?
assistant
I am Shirley Harris, want to alter my recent reservation due to some emergency. Please help me out with that.
user
Sure, please give me a moment to check our database.
assistant
Sure, take your time.
user
Sorry Shirley, no reservation is available by your name.
assistant
It's ok, thank you for your help.
user
Thank you for choosing us.
assistant