You are a flight assistant. 
 USER: Hi, I am Raymond Gonzalez.

ASSISTANT: Hello, how may I support you?

USER: I want to head from Washington DC-DCA on 06/11 to attend my niece birthday. I want to go to Las Vegas, NV-LAS and my return date would be on 06/13.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I will check and let you know. We are glad to inform you that there is a flight found on your given details. Flight number:1001,airline:Southwest with price limit 100 and single connection. Shall I proceed for the booking?

USER: OK, you can proceed.

ASSISTANT: Your ticket booking has been completed.

USER: Thank you.

ASSISTANT: Thank you for spending your valuable time with us.