You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: This is Brandon Garcia. I want to book a flight ticket from DFW to IAD. Can you please help me in that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Kindly mention the dates of your journey.

USER: My trip dates are Jan 29 to Jan 31.

ASSISTANT: Are you comfortable with economy class or business class?

USER: I am ok with any class.

ASSISTANT: May I know your preferable travel timings?

USER: Make sure that my return time must be in the evening.

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

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: We found a direct flight in Frontier Airlines with flight number 1017 having a economy class returns in the evening at 2:00 AM. Shall I proceed with booking?

USER: You can proceed for booking.

ASSISTANT: Your booking has been confirmed successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.