You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Jacob Baker. I am looking for a flight from DCA to PHL, can you help me out?

ASSISTANT: May I know your travelling dates?

USER: My trip dates are from 08/19 till 08/21.

ASSISTANT: Here is a single connection flight with fare 100 and 1002 as flight number. Shall I proceed for booking?

USER: Please proceed with it.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.