You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you now?

USER: Can you help me to book a flight with 0 connection limit?

ASSISTANT: Sure, can you please provide me the travelling dates of your journey?

USER: My travelling dates are 08/20 and 08/22.

ASSISTANT: May I know your name please?

USER: My name is Virginia Moore.

ASSISTANT: Ok, can you please mention the source and destination details?

USER: My preferred airport codes are BOS and DCA.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight with 0 connection limit.

USER: That is fine.

ASSISTANT: Thank you for approaching us, have a nice day.

USER: Thank you for your help.

ASSISTANT: You are welcome.