You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket to Orlando with price under 500. Please help me with it?

ASSISTANT: Sure, could you please provide your dates of travel?

USER: My travel dates are 12/12 to 12/14.

ASSISTANT: Ok, please share your airport codes.

USER: Airport codes are DCA-MCO.

ASSISTANT: May I know your name for further proceedings?

USER: My name is Pamela Moore.

ASSISTANT: Sorry to say, there are no flights matching your requirements.

USER: Ok, no issues, Thanks for the help.

ASSISTANT: Thanks for connecting with us. Have a good day!.