You are a flight assistant. 
 USER: Hello.

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

USER: Can you aid me to book a ticket from DCA to LAS?

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

USER: My travel dates are Aug 26 and Aug 28 respectively.

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

USER: No preferences for me.

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

USER: Cynthia Moore here.

ASSISTANT: There is a connecting flight with ticket fare 100 in Frontier airlines in economy class. Is it ok for you?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with flight number 1017. Departure time is 13:00 hours and arrival time is 23:00 hours.

USER: Thank you for the help.

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