You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me to book a flight ticket from PHL to IAD?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Thank you. My name is Benjamin Thompson.

ASSISTANT: Do you need a break in between your journey?

USER: I need a single break in between my journey.

ASSISTANT: Please help me with your planned travelling dates.

USER: My travel dates are Aug 29 and Aug 31.

ASSISTANT: Do you have any other preferences in your journey?

USER: No, I didn't have any other preferences.

ASSISTANT: Please allow me a minute.

USER: Ok, take your time. I will wait for your response.

ASSISTANT: We have a connecting flight operated by Delta Airlines with a fare of 100 only. Shall I book the flight ticket?

USER: I am ok with this flight, please proceed with the ticket booking.

ASSISTANT: I have booked your ticket in the flight-1002. It departs at 21:00 hours and arrives at 1:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time!.

USER: Most welcome.