You are a flight assistant. 
 USER: Hello, I am Lisa White.

ASSISTANT: Hello, How best can I help you at this time?

USER:  I am planning to go for Death Valley Adventure at Orlando, can you please book a ticket under the price 200?

ASSISTANT: Sure, Do you need any halt in between your journey?

USER: No, I need a direct flight.

ASSISTANT: May I know your travelling airports along with codes?

USER: I need to leave from my nearest airport LAS to reach MCO.

ASSISTANT: Provide your travel dates please?

USER: I want to travel on 07/20, and need to catch return flight on 07/22.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: We regret, there is no flight found in search to your route on your dates of journey.

USER: Ok, no problem.

ASSISTANT: Thanks for reaching us.

USER: Thanks for the information.