You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Can you aid me to book my ticket from DCA to SFO?

ASSISTANT: Sure, can you please share your journey dates?

USER: My trip dates are Jan 24 and Jan 26.

ASSISTANT: May I know your name please?

USER: Kenneth Lewis here.

ASSISTANT: Please let me know your connection limit.

USER: I prefer for connecting flight.

ASSISTANT: Are there any more specifications?

USER: No other preferences.

ASSISTANT: We found a American airlines, flight number 1019, and the fare of 100 in economy class, with single connection. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.