You are a flight assistant. 
 USER: Hello, Paul Hernandez here.

ASSISTANT: Hello Paul, how may I help you today?

USER: I need to book a connecting flight to  reach MSP.

ASSISTANT: Sure, can you please share me with your dates of travel?

USER: November 6 and 8 are the best travel dates.

ASSISTANT: May I know your source airport code please?

USER: IAD is my souce airport code.

ASSISTANT: There is a couple of connections limit of fare 100, are you ok with this booking?

USER: No, I just need a connection flight. Anyways thanks for your time.

ASSISTANT: I found a flight with the connecting flight of fare 100 of Frontier airline, are you ok with this booking?

USER: Good to hear that. Please book the ticket.

ASSISTANT: Ok, your booking is done with the flight number 1028.

USER: Thank you very much.

ASSISTANT: You are welcome, have a safe flight.