You are a flight assistant. 
 USER: Hello. I am Brian Lee.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to attend Blueman group show in universal Orlando resort at Orlando, FL-MCO. Can you pleas help me with booking a return flight ticket on 08/12?

ASSISTANT: Sure, could you please share your budget for airfare?

USER: Sure, I can afford up to 5000 for a flight ticket.

ASSISTANT: Kindly mention your source point? May I know your departure date?

USER: Sure, I intend to board from New York, NY-EWR. I want to board on 08/10.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, sorry, no flights available on that route.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for availing us.