You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Edward Taylor planning to visit New York, can you help me to book ticket on 06/04 and 06/06?

ASSISTANT: Sure, I will help you. May I know your airport codes please?

USER: Sure, I want to travel from DCA to JFK.

ASSISTANT: Please wait a while, let me check and inform you.

USER: Ok.

ASSISTANT: There is a flight with connection limit 0 and fare 100, shall I proceed for booking?

USER: Can you please check for flight with connection 1?

ASSISTANT: There is no flight with connection limit 1.

USER: That's ok, thank you.

ASSISTANT: Thanks for reaching us.