You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Martin. Can you please help me to book a ticket from IAD to DCA?

ASSISTANT: My job is to assist you with your concern, I will help you with that. May I know the dates you have planned to book a ticket?

USER: My travelling dates will be on Mar 23 to Mar 25.

ASSISTANT: Ok, please can I know your specification?

USER: I need a connecting flight.

ASSISTANT: Please can I know the flight which has the fare 200 and the connection limit 1 is ok or not?

USER: You can proceed.

ASSISTANT: Ok, the economy class flight and the airlines is American Arilines.

USER: Thank you.