You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Kimberly Roberts. I am looking for a flight from 11/13 till 11/15. Can you book the flight ticket?

ASSISTANT: Sure, I am happy to help you. Can I know your airport codes?

USER: My origin airport code is IAD and destination airport code is DCA.

ASSISTANT: Ok, wait for a minute.

USER: Sure, take your own time.

ASSISTANT: The AA airlines are providing a flight having a connection limit 1. Can I proceed with the booking?

USER: Please proceed with it.

ASSISTANT: Yes, your ticket confirmed with the flight number 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for your expeditious service.