Hello.
user
Hello. How may I help you?
assistant
Can you please help me to change my existing reservation?
user
Sure. Please could you let me know your name?
assistant
My name is Kimberly Hernandez.
user
Please let me check details with your recent reservation.
assistant
Sure.
user
I regret there is no reservation by name Kimberly Hernandez. Thank you. Have a nice day!.
assistant