You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me to book a flight from MSP to IAD?

ASSISTANT: Sure, can I know your good name please?

USER: Myself Donald Jones.

ASSISTANT:  When you are willing to travel?

USER: I want to travel on Jan 1 and need to return on Jan 3.

ASSISTANT: Which flight you have preferred to travel either a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I do not have any other specifications.

ASSISTANT: There is a direct flight 1009 in United Airlines at the price of 800 with business class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.