You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket from DCA, can you please help me in making an airline reservation to LAS?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your travel dates?

USER: My travel dates are July 28th and July 30th.

ASSISTANT: Do you have any specifications regarding your journey?

USER: No.

ASSISTANT: May I know your name please?

USER: Eric Perez.

ASSISTANT: As per your data, there is a flight with Frontier Airlines and the ticket fare is 200. Would you like me to make the booking now?

USER: Please reserve it.

ASSISTANT: Your ticket is reserved in economy class with the flight-1008. Your depart time is 10:00 hours and again your arrival time is 9:00 hours.

USER: Thank you.

ASSISTANT: Thank you very much for contacting our agency.