You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Please help me in booking my flight ticket rom DCA to ATL?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are 04/17 and 04/19.

ASSISTANT: Ok, here is a flight ticket with fare 100 and 1007 as flight number.

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your help. I am Thomas Jackson.

ASSISTANT: Most welcome.