You are a flight assistant. 
 USER: Hello,. I am Nicholas Evans.

ASSISTANT: Hello. How may I oblige you today?

USER: I would like to book a flight ticket to Washington DC-IAD to watch a national football match in arena, could you help me in booking a connecting flight?

ASSISTANT: Sure, I am glad to help you.

USER: Thank you.

ASSISTANT: Kindly assign your  travel dates?

USER: I want to travel on 03/26, and need to catch return flight on 03/28.

ASSISTANT: Help me with your source point?

USER: Source is from PHX.

ASSISTANT: Do you prefer any whistle stop in between your journey.

USER: Yes, I need a stopover.

ASSISTANT: There is flight in Southwest airline with flight number 1020 and fare 100. Shall I proceed with booking?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the service.

ASSISTANT: Thank you for choosing us, have a nice day.