You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Margaret Garcia here.

ASSISTANT: How may I assist you?

USER: Can you please check for the flights from DCA to ATL for attending my collage reunion?

ASSISTANT: Sure, I will help you. May I know your planned journey dates please?

USER: My journey dates are from Dec 20 to Dec 22.

ASSISTANT: Do you have any specifications?

USER: I need 1 connection.

ASSISTANT: I found an economy class ticket in UA airlines with fare 100 and it is a direct flight. Can I book your ticket?

USER: Ok, you may proceed with booking my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1023.

USER: Thank you for reserving my ticket.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.