You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I would like you to make my flight reservation from DCA to EWR, can you please help me?

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

USER: My name is Mark Taylor.

ASSISTANT: Please help me with your planned travelling dates.

USER: I will depart on Feb 8th and return back on Feb 10th.

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

USER: Yes, I prefer for a single connection flight.

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

USER: No.

ASSISTANT: We have a connecting flight operated by United Airlines with a fare of 100, shall I book the ticket?

USER: Yes, please book the ticket for me.

ASSISTANT: I have booked your ticket in the flight-1004. It departs at 11:00 hours and arrives at 11:00 hours.

USER: Thank you so much.

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