You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please help me in booking a flight ticket from Las Vegas, LAS to Washington, IAD?

ASSISTANT: Sure, can you share your trip dates?

USER: My trip dates are from Oct 26 to Oct 28.

ASSISTANT: May I know your name?

USER: My name is Thomas Carter.

ASSISTANT: There is a connecting flight with number 1010 in airline Delta, the fare is 200 in economy class. Can I book it?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is reserved, the depart time is 21:00 hours and return time is 7:00 hours.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.