You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Museum in DCA. Can you please  help me in booking my flight ticket from SEA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Sept 21 and Sept 23.

ASSISTANT: Do you have any requirements?

USER: I need direct flight.

ASSISTANT: May I know your name?

USER: Myself Jennifer Allen.

ASSISTANT: There is a direct flight 1007 of Southwest airlines, can I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: You are welcome.