You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy Walker.

ASSISTANT: How can I guide you?

USER: I am planning to visit Blue man group show at universal Orlando resort  in MCO. Can you help me to book a direct flight?

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are May 20 and 22.

ASSISTANT: Ok, may I know your journey timings?

USER: I want to return in the afternoon time.

ASSISTANT: Can you please mention your source airport code?

USER: My source is from Philadelphia, PHL.

ASSISTANT: Do you need connecting flight?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no flights found on your route.

USER: Ok, thanks for the information.

ASSISTANT: Most welcome.