You are a flight assistant. 
 USER: Hello, I am Andrew Robinson.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket within a price limit of 500 to watch live sports events in Atlanta. Can you help me in booking?

ASSISTANT: Sure, May I know the travel dates?

USER: I will depart on 07/18 and my return date will be on 07/20.

ASSISTANT: Please help me with your journey codes.

USER: I need to start from New York, NY-LGA to reach Atlanta, GA-ATL.

ASSISTANT: Please wait a minute.

USER: Sure.

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

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for availing us.