You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me with booking a flight ticket from DEN to PHL?

ASSISTANT:  Sure, I am here to help you. Can I know on which dates you want to travel?

USER: My travel dates are Mar 25 and 27.

ASSISTANT: Ok, do you need any break in between the journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: Thank you for providing your journey details, please wait a moment I'll search best flight for you.

USER: Ok.

ASSISTANT: There is a flight in the Frontier airlines which is a economy class flight, it depart at 1:00 hours and returns at 10:00 hours. This flight is having a single connection  and the ticket cost is 100. Is this fine for you?

USER: You can proceed with booking.

ASSISTANT: To proceed with the booking, can I have your name please?

USER: My name is Brian Evans.

ASSISTANT: Ok, your ticket is booked.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a nice day.