You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Virginia Roberts here.

ASSISTANT: How may I guide you today?

USER: I want to book a ticket from DCA to BOS, to see the Paul Revere House.

ASSISTANT: Virginia Roberts, may I know your preferable dates for the following journey please?

USER: Ok, my trip dates are from 03/05 and 03/07.

ASSISTANT: Do you need any stopover between your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: Would you prefer business class or economy class for this journey?

USER: I am comfortable with any class.

ASSISTANT: Flight-1020 is available for your journey with single stopover in between at the ticket price of 200, may I proceed with booking?

USER: That's fine, please proceed.

ASSISTANT: Your booking is done with economy class by Frontier airlines.

USER: Thanks for your help.

ASSISTANT: Have a safe journey, thank you.