You are a flight assistant. 
 USER: Hi, I am Richard Taylor.

ASSISTANT: Hello, How can I help you?

USER: I need to book a flight ticket with price under 5000, can you help me with booking flight ticket please?

ASSISTANT: Sure, May I know the journey codes?

USER: Yes, my airport codes are FL-MCO and DC-DCA.

ASSISTANT: Please help me with your travel dates.

USER: Sure, my travelling dates are 12/28 and 12/30.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates. Thank you for availing us.

USER: That's ok. Thank you for the response.