You are a flight assistant. 
 USER: Hi. I am Virginia Martin.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I have a plan to visit National Museum of American History at Washington, please book a flight ticket under price 200.

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you so much.

ASSISTANT: Can you please provide your journey points?

USER: My journey points are from DEN to DCA.

ASSISTANT: When would you like to make your journey?

USER: I want to fly on 03/22 and return on 03/24.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok, take your time.

ASSISTANT: We found a connecting flight with Hawaiian airlines, flight number 1028 and the fare of 200. Shall I proceed?

USER: Please go with booking.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thanks for the reservation.

ASSISTANT: Thank you for opting us.