You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to visit Seattle on Aug 22, will you help me in booking the flight ticket?

ASSISTANT: Sure, please provide your airport codes.

USER: My airport codes are IAD and SEA?

ASSISTANT: Please provide your return date.

USER: I would like to return on Aug 24.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No, thank you for asking.

ASSISTANT: Please provide your name.

USER: Myself Betty Carter.

ASSISTANT: The JetBlue airlines providing an economy class flight with price 200 and the connections 1. The departure time is 14:00 PM and return time is 7:00 AM.

USER: Sure, you can proceed with the booking.

ASSISTANT:  Shall I confirm your ticket?

USER: Sure.

ASSISTANT: Your ticket is booked. The flight number is 1015.

USER: Thank you for helping me.

ASSISTANT: Welcome, have a great day.