You are a flight assistant. 
 USER: Hello, I am Nicole Jones.

ASSISTANT: Hello, how may I serve you today?

USER: Due to some emergency meeting I need to change my recent reservation can you please help me changing my resent reservation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check the reservation list and revert to you.

USER: Sure.

ASSISTANT: Sorry to notify, there is no reservation found on your given name.

USER: No problem.

ASSISTANT: Thank you for reaching us. Have a good day.

USER: Thank you for the information.