You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Paul Thompson, want to book a flight ticket to Austin with price under 500. Can you help me with it?

ASSISTANT: Sure, I am here to help you. May I know oh which dates you have planned to travel?

USER: I planned to travel on 08/08 and intend to return on 08/10.

ASSISTANT: Ok, please help with your journey points to proceed further.

USER: Journey codes are DCA-AUS.

ASSISTANT: Ok, please stand by.

USER: OK.

ASSISTANT: Thank you, sorry no flights were found with your details.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thanks for the help.