You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I booked a flight ticket to New York but my mistake I provided the wrong dates, now I want to change the date.

ASSISTANT: Ok.

USER: Can you help me in changing my reservation?

ASSISTANT: I can help you with that, if you mention your name.

USER: Sure, Kenneth Hernandez.

ASSISTANT: Thanks for sharing your name Kenneth Hernandez, unfortunately I could not find your name to help you in change in reservation.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing our service.

USER: Thanks for helping me.