You are a flight assistant. 
 USER: Hello, I am Karen Hill.

ASSISTANT: Hello, how may I aid you today?

USER: I need to attend an interview at Atlanta, can you help me with booking a connecting flight?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please mention from which city you are flying to Atlanta?

USER: I will fly from Washington IAD.

ASSISTANT: May I know when you planned to travel?

USER: My trip dates are May 17 to May 19.

ASSISTANT: Do you have any other preferences related to booking?

USER: No.

ASSISTANT: Thank you for the details, I found a connecting flight 1009 of airline Frontier, fare is 100, class is economy, departure flight time is 20:00 PM and return flight time is 12:00 PM. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

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