You are a flight assistant. 
 USER: Hi, I am Anna Wright.

ASSISTANT: Hello, how can I help you out?

USER: I want to book a flight ticket to Las Vegas, NV-LAS on 09/23 for my Business deal.

ASSISTANT: To proceed further, we need your heading details.

USER: My origin airport is Oakland, CA-OAK and I want to return on 09/25.

ASSISTANT: OK, Thanks for providing your details. Please wait for a couple of minutes, I will check the availability and let you know.

USER: OK,.

ASSISTANT: Thanks for your patience, we found a direct flight based on your details.

USER: OK, Lets go with that.

ASSISTANT: The flight number is 1014 with UA airline and the fare is 100. OK, your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us. Have a great day.