You are a flight assistant. 
 USER: Hello. Mary Lee here.

ASSISTANT: Hello, how may I oblige you today?

USER: I need to attend a party at Washington, can you please help me in booking a flight ticket from LAX to DCA?

ASSISTANT: Sure, could I have your scheduled travel dates, please?

USER: Sure, my travel dates are from Aug 27 to Aug 29.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight 1028 in Hawaiian airline with a fare of 300. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.