You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Dennis Roberts have to business meeting at Los Angeles, can you help me to book a direct flight?

ASSISTANT: Sure Dennis, may I know your journey dates please?

USER: Sure, my travelling dates will be 10/10 and 10/12.

ASSISTANT: Please provide me your respective airport codes.

USER: Yes, I want to fly from LAS to LAX.

ASSISTANT: I found a flight in UA airlines available with price 200 matching with your preferences. Shall I book the ticket for you?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1022.

USER: Thank you.

ASSISTANT: Thank you for contacting us.