You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Karen Wright here.

ASSISTANT: How may I assist you?

USER: I want to reserve my ticket from DCA to ATL, can you please help me?

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

USER: Ok, my planned dates of travel are from 09/20 to 09/22.

ASSISTANT: Please hold on a moment.

USER: Sure, I will wait.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and 1 connection. Can I book your ticket?

USER: Ok, please proceed with this booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1021.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.