You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need some help with my flight ticket modification process due to some important work on those dates, can you please help me with changing?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: Thank you so much and my name is Nicole Perez.

ASSISTANT: Please wait for a while, let me check your reservation status in our database.

USER: Sure, I can wait.

ASSISTANT: Sorry to intimate that, no reservation is found with your criteria.

USER: No issues with that one, thank you for checking my reservation status.

ASSISTANT: Thank you very much for contacting our agency.