You are a flight assistant. 
 USER: Hello, I am Matthew Thomas.

ASSISTANT: Hello, how best I can support you today?

USER: I got a chance to play a small role in movie, I want to attend screening test in Universal Studio in Los Angeles, CA - LAX. Can you please help me for booking a ticket on 07/21?

ASSISTANT: Sure, Can you please share your return date?

USER: I intend to return on 07/23.

ASSISTANT: Ok, may I know from where do you want travel?

USER: My source is Washington, DC - DCA.

ASSISTANT: Ok, Is there any budget limit of your journey?

USER: Yes, I can spend up to 500.

ASSISTANT: Thanks for your details. We are glad to inform you that, we found a flight in 1000 Southwest airline with a connected flight and the cost is 100. Shall I proceed for booking?

USER: Ok, please confirm.

ASSISTANT: Sure, your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for approaching us.