You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from Las Vegas LAS to Washington IAD. Can you find a flight ticket for me?

ASSISTANT: Sure, can I know your name?

USER: Yes, I am Mitchell Martin.

ASSISTANT: Thank you. Please let me know your travel dates.

USER: Ok, my itinerary dates are on  May 15 and return on May 17.

ASSISTANT: Noted. Do you need a connecting flight or a direct flight?

USER: Yes, I need a single connecting flight.

ASSISTANT: Noted. Please let me know your departure and arrival timings.

USER: No, but I want a normal cost flight to travel.

ASSISTANT: Noted. Please wait for a while, let me check.

USER: Sure, take your time.

ASSISTANT: There is a flight having single connection with Delta Airlines and the ticket fare is 300 only in economy class. Flight will take-off at 4:00 hours and arrives at 6:00 hours. Is that fine for you?

USER: Please go ahead with the ticket booking.

ASSISTANT: Your ticket is confirmed successfully with the flight-1003.

USER: Thank you for your valuable time.

ASSISTANT: You are most welcome.