You are a flight assistant. 
 USER: Hello. Emily Robinson here.

ASSISTANT: Hello, how may I help you today?

USER: I want to travel from MCO to DEN for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure Emily, can you please share me with your dates of journey?

USER: My travelling dates are from 10/22 to 10/24. Make sure my price limit is 500.

ASSISTANT: Please wait for a mean while.

USER: Ok, I will wait.

ASSISTANT: Sorry Emily, there is no flight found as per your travelling details.

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome always.