You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephen Gonzalez.

ASSISTANT: How may I help you?

USER: I am looking for a flight from DCA to LGA, can you help me out?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My trip dates are from 06/06 till 06/08.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: I found an economy class ticket in UA airlines with fare 200. Can I book your ticket?

USER: Please proceed with it.

ASSISTANT: Ok, your booking is confirmed with flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great day.