You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I be at your service?

USER: I am Stephanie Hill, i would like to travel to Washington DC-DCA for president meeting.

ASSISTANT: OK, please provide your journey details.

USER: Sure, my journey starts from Atlanta GA-ATL.

ASSISTANT: May I know your journey dates?

USER: My journey dates are 02/06 to 02/08. Please confirm that the price limit is 1000.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Sorry to notify you that there is no flight available according to your schedule.

USER: OK. Thank you for the valuable information.

ASSISTANT: Thanks for reaching us.