You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am Amy White, can you help me to search for a flight within 200 price limit?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: My travelling dates are 05/19 and 05/21.

ASSISTANT: May I know your location airport codes please?

USER: My airport codes are DFW and MCO.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: There is no flight in your route with your travel dates. Sorry for inconvenienced caused.

USER: No issues, thank you for your time.

ASSISTANT: Ok, thank you for reaching us.