You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Evening.

USER: Actually I have booked a ticket on wrong dates, so I would like to change my travelling dates.

ASSISTANT: Can I know your name for checking with the existing reservation?

USER: My name is Amy Rodriguez.

ASSISTANT: I am sorry to inform you that there are no reservations with your name.

USER: That's ok, I will find other means of travel to reach my destination.

ASSISTANT: Thank you, have a good day.

USER: Thank you for your time.