You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Catherine Nelson here. I want to participate in Boston marathon, could you book my ticket from Washington DC?

ASSISTANT: Sure Catherine Nelson, I am here to help you for this. When you are planning your trip?

USER: My itinerary dates are July 23 and July 25.

ASSISTANT: Could you please provide your airport codes?

USER: My genesis and terminus airport codes are DCA and BOS.

ASSISTANT: Do you have any airline preference?

USER: No, I need a direct flight.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: As per your information, I found a flight with Frontier Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Please book my ticket.

ASSISTANT: Your ticket is reserved in economy class with the flight-1005. Your depart time is 14:00 pm, and again your arrival time is 21:00 pm.

USER: Thank you for your service.

ASSISTANT: Thank you very much for approaching our agency.