You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: Can you please help me with booking a flight ticket from DCA to MSP?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are Jan 08 and 10.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: I prefer business class.

ASSISTANT: May I know your name?

USER: My name is Brain Clark.

ASSISTANT: You have a connecting flight 1002 in UA airlines and price 600 in business class, Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.