You are a flight assistant. 
 USER: Hello, I am Nancy Martin.

ASSISTANT: Hello, How can I support you?

USER: I want to go to ATL from LGA on an project work. Can you please help me in booking a ticket?

ASSISTANT: Sure, Please help me with your trip dates.

USER: My trip dates are from 03/25 to 03/27.

ASSISTANT: Please give a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for opting us.