You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to travel Washington DC, can you please check with the available flights from ORD and DCA?

ASSISTANT: Ok, may I know your travelling dates?

USER: My preferred travel dates are Feb,15 and Feb,17.

ASSISTANT: Can I know your name please?

USER: Myself George Campbell.

ASSISTANT: May I know your connection limit please?

USER: I need single connection limit.

ASSISTANT: Here is a connecting flight with fare 100 and 1011 as flight number in economy class. Shall I proceed with booking?

USER: Exactly matching my journey please proceed with the reservation.

ASSISTANT: Ok, your ticket is confirmed in American Airline.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for reaching us.