You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emily Moore here.

ASSISTANT: How can I help you at this moment?

USER: Can you please help me out in booking the ticket from IAD to DCA? As I'm planning to meet my old friend on this coming weekend.

ASSISTANT: Sure, I will help you with this. Can you please provide your travel dates for a better search of flights availability?

USER: Sure, I would like to depart from here on 04/07 and return by 04/09.

ASSISTANT: Give me a moment please.

USER: Sure, please search for the flights with 1 connection.

ASSISTANT: Delta airlines is available with a ticket fare of 200 and 1 halt on this route, shall I book your ticket?

USER: That's fine for me, please proceed for booking.

ASSISTANT: Emily Moore, your ticket is booked with flight number 1025.

USER: Thank you so much for your help.

ASSISTANT: Thank you, have a safe journey.