You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from DCA to BOS. Please help me in booking my ticket.

ASSISTANT: Sure, please share your planned travel dates?

USER: Sure, my trip dates are from 12/15 to 12/17.

ASSISTANT: Can I have your name please?

USER: Myself Anna Johnson.

ASSISTANT: Let me know your class preference?

USER: I would like to prefer economy class.

ASSISTANT: Any other requirements to be met?

USER: I also need a connecting flight.

ASSISTANT: American Airline flight 1014 available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Please confirm this ticket for me.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.