You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you now?

USER: I am Joshua Clark. I need to book a flight from Washington DC-IAD to Los Angeles to overview of city and enjoy my holiday trip. Can you please help me in booking?

ASSISTANT: Sure, I can make your reservation right now. In Los Angeles which airport would you prefer to land?

USER: My landing point is CA-LAX.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to depart on 08/21 and arrival on 08/23.

ASSISTANT: Do you need any lay by in between journey?

USER: I need a lay by.

ASSISTANT: Ok, please wait a  moment.

USER: Sure.

ASSISTANT: We are happy to say that there is a flight found with UA airline of flight number 1010 and fare is 100. Shall I make this reservation for you?

USER: You can proceed.

ASSISTANT: I was able to book a ticket for you, that will its your schedule exactly.

USER: Thank you for your assistance.

ASSISTANT: Thanks for contacting us.