Hello.
user
Hello, how may I support you?
assistant
Can you please help me to change my reservation?
user
Sure, please let me know your name.
assistant
My name is Linda Turner.
user
Ok, please wait.
assistant
Sure.
user
Thanks  for waiting, there is no reservation found by your name in our data base.
assistant
Ok, not a problem. Thank you for informing me.
user
Thank you for choosing us.
assistant