You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am Benjamin Brown. Please help me for booking from DEN. Can you please aid me for booking on the month of March?

ASSISTANT: Sure, may I know your travel dates?

USER: Sure, my journey dates are 20 and 22.

ASSISTANT: May I know your destination airport code?

USER: Sure, it is PHL.

ASSISTANT: Do you need a stopover?

USER: Yes,I need a stopover.

ASSISTANT: Do you have any class preference?

USER: I am fine with any class.

ASSISTANT: At what time do you want to depart and return on?

USER: My depart time is evening.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class ticket in Hawaiian airlines with fare 100 and it is a connecting flight. Can I book your ticket?

USER: Ok, please proceed.

ASSISTANT: Your booking is done with flight number 1015. Your depart time is 21:00 PM and return time is 19:00 PM.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us.