You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am looking for a flight from DCA to LAX, can you please help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please provide your departure and return dates of travelling?

USER: My travelling dates are July 28 and July 30.

ASSISTANT: Are you ok with connecting flight or you need any direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: May I know your name to book the flight ticket?

USER: Sure, my name is Ashley Williams.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: Flight-1015 is available with single connection in Delta airlines and the ticket fare is 100 only. Can I proceed for booking the ticket for you?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: Thank you for booking.