Hello.
user
Hello, how can I help you today?
assistant
Can you help me to change my reservation?
user
Sure, let me know your name to check further?
assistant
I am Richard Anderson.
user
Please wait.
assistant
Sure.
user
 Sorry, no reservation found on your given name in our database to change it.
assistant
No issues, thank you for checking.
user
Thank you for contacting us.
assistant