You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: My name is Frank Lee, I want a flight from NY-JFK to Atlanta, GA-ATL to attend a meeting. Can you book a connecting flight for me?

ASSISTANT: Sure, please specify your trip dates?

USER: I will fly on 12/21 and return on 12/23.

ASSISTANT: Do you have any fare limit?

USER: My budget is 200.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for being patient, there is no flight found on your journey routes.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for picking us.