Hello.
user
Hello. How may I guide you?
assistant
 I made a reservation earlier in the wrong date unknowingly so, I want to change my existing reservation. Can you please help me to change it?
user
Sure, I am here to help you for this. Let me check your reservation status in our records.
assistant
Sure, please check my reservation on the name of Kevin Phillips.
user
Please wait for a while.
assistant
Sure.
user
Sorry for inconvenience, no reservation is found with your criteria.
assistant
Ok, no problem. Thank you.
user
Thank you very much for approaching our agency.
assistant