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

ASSISTANT: Hello, How can I serve you?

USER: I need to book a flight ticket from LGA to JFK, Can you please help me for booking?

ASSISTANT: Sure, May I know the travel dates?

USER: I would like to travel on 02/09 to 02/11.

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

USER: Ok, no problem.

ASSISTANT: Thank you for availing us.

USER: Thanks for your information.