You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I would like to book the flight ticket from DCA to DFW. CAn you please help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travel dates are May 8 and May 10.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I need a single connection flight.

ASSISTANT: Do you have any class preferences?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: Janet Harris.

ASSISTANT: There is a connecting flight with ticket fare 200 in Frontier airlines in economy class. Is it ok for you?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1022. Depart time is 16:00 hours and arrival time is 22:00 hours.

USER: Thank you for the help.

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