You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Eric Miller. I would like to enjoy by watching horse riding in Philadelphia with my college friend. Would you please book a flight ticket with price 5000?

ASSISTANT: Sure, help me with your travel dates?

USER: My travel dates are 02/02 and 02/04.

ASSISTANT:  May I know your journey points?

USER: My journey points are from NY-JFK to PA-PHL.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no flights are available on  your journey dates.

USER: Ok, no worries at all. Thank you for your help.