You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dennis Hill here.

ASSISTANT: How can I assist you?

USER: I want to meet my brother on his birthday, please book my ticket from ATL to PHL.

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are 03/27 and 03/29.

ASSISTANT: Here is a flight ticket with fare 100 and 1007 as flight number and having single connection flight. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.