You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Myself Donald Williams. I have a week-off for 3 days. So, I want to travel from my location LAS to MCO. Can you please book a flight ticket on 07/25 and also the return ticket on 07/27 dates?

ASSISTANT: Sure, give me a while. I will check the flight existency on those dates.

USER: Sure.

ASSISTANT: Flight number 1017 from Delta airline is there for you on those dates. Ticket fare is 200. Shall I proceed booking?

USER: Please check for a direct flight?

ASSISTANT: Sorry, there is no direct flight available on those particular dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for choosing us.