You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from Denver, DEN to Los Angles, LAX?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: My name is Donald Walker.

ASSISTANT: Thank you. Could you please tell me your travel dates?

USER: My journey dates are from Oct 31 to Nov 02.

ASSISTANT: Noted. Do you have any connection limit preference for this trip?

USER: I need a lay by in between journey.

ASSISTANT: Direct flight is available with UA Airlines and the ticket fare is 200 only in economy class. Flight departs at 15:00 hours and arrives at 11:00 hours. Shall I book the ticket for you?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket is booked and your flight number is 1002.

USER: Thanks for your help.

ASSISTANT: You are most welcome.