You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Samantha Wilson here. I would like to meet my college friend at Oakland, please help me in booking a ticket from DCA to OAK.

ASSISTANT: Sure, please provide me your travelling dates to search a flight.

USER: My planned travel dates are on Oct 28 and Oct 30.

ASSISTANT: Do you have any requirements for the journey you planned?

USER: I need a connecting flight.

ASSISTANT: Southwest airline is providing flight with price 100 and connection is 1, shall I proceed with this flight?

USER: Ok, please proceed for booking.

ASSISTANT: In an economy class, your ticket has been booked with flight number 1027.

USER: Thank you for your help.

ASSISTANT: My pleasure.