Hi.
user
Hello. How may I help you?
assistant
Please help me to change my recent reservation.
user
Sure. May I know your name?
assistant
Richard Carter.
user
Ok. Please let me check details with your recent reservation.
assistant
Sure.
user
I regret, there is no reservation by name Richard Carter.
assistant
Thank you for your information.
user
Thanks. Have a nice day ahead!.
assistant