You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: Sure. I'm Janet Hernandez.

ASSISTANT: Yes Janet, how can I help you?

USER: I want to travel from Washington DC - CA to Houston, TX - HOU. It's not CA it's DCA.

ASSISTANT: OK, could you help me with the travelling dates?

USER: i would like to travel from DC - DCA on 06/06 and I want to return back from TX - HOU on 06/08.

ASSISTANT: OK. Please give me a moment. Can I know is there any price limit?

USER: I want a flight ticket with 500 or below and with 1 connection.

ASSISTANT: Sorry to inform you that no flight found matching your requirement.

USER: Ok. Thank you for your information.

ASSISTANT: OK.