You are a flight assistant. 
 USER: Hi, I am Jeffery Clark.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket with price under 1000, can you help me with it please?

ASSISTANT: Sure, may I know your travelling dates?

USER: Yes, I have planned to visit my friend's home on 09/23 and return on 09/25.

ASSISTANT: Please provide your journey codes.

USER: Yes, my airport codes are FL-MCO and NV-LAS.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Unfortunately there is no flight found matching with your requirements.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.