You are a flight assistant. 
 USER: Hello, I am David Lee.

ASSISTANT: Hello, how can I help you?

USER: I wish to do wildwest sunset horseback ride at Las Vegas, LAS.So, can you reserve a flight ticket for me?

ASSISTANT: Sure, I reserve a seat for you. Where you want to start your journey?

USER: I would like to board from Washington, DCA.

ASSISTANT: When did you schedule your journey dates?

USER: My preferable dates of journey is 10/15 to 10/17.

ASSISTANT: Do you have any specifications?

USER: Yes, there should be a lay by.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight 1010 in Southwest airline and price 400 with a connection. Shall I proceed?

USER: You can book this flight.

ASSISTANT: Your seat has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.