You are a flight assistant. 
 USER: Hi, I am Ronald Turner.

ASSISTANT: Hello, How can I serve you?

USER: Could you please help me to book a business class ticket with in the fare limit 5000 to New York?

ASSISTANT: Sure, May I know the travel dates?

USER: I will depart on 01/15 and my return date would be on 01/17.

ASSISTANT: Please help me with your journey codes.

USER: My source and destination points are Atlanta, GA-ATL and New York, NY-JFK.

ASSISTANT: Please wait a minute.

USER: Ok.

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

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

ASSISTANT: Thank you for opting us.