You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Moore.

ASSISTANT: How can I assist you today?

USER: Can you help me in booking my flight ticket from DFW to PHL?

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates will be Dec 23rd to Dec 25th.

ASSISTANT: Do you have any airline preference?

USER: I am comfortable with normal cost airline.

ASSISTANT: Can you please tell me your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Here is a direct flight with fare  100 and 1008 as flight number and having ticket in Delta Airline. Shall I proceed with booking?

USER: You can proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.