You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Myself Mark Clark. Can you please help me in booking a flight ticket from DCA to LAX locations?

ASSISTANT: Sure, I will assist you. Can I know the travel dates please?

USER: My travelling dates are from 11/26 and 11/28.

ASSISTANT: There is a flight with 1 connection limit and the airfare is 100. Can I book it?

USER: Please proceed with it.

ASSISTANT: Ok flight is booked.

USER: Thank you so much.

ASSISTANT: The flight number is 1017. Thank you for choosing our agency.