You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Hernandez.

ASSISTANT: How can I assist you?

USER: I am planning to book a ticket to meet my family at DCA. Can you please help me out to book a ticket from DCA?

ASSISTANT: Ok, may I know your travelling dates?

USER: I would like to travel on 11/14 and return back on 11/16.

ASSISTANT: Here is a flight ticket with fare 100 and 1001 as flight number. Shall I proceed for booking?

USER: Please proceed the booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.