You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can i assist you?

USER: I would like to participate in Blueman Group Show at Universal Orlando Resort at Philadelphia, PA - PHL, can you help me in booking a flight ticket?

ASSISTANT: Sure, help me with your travel dates?

USER: I will fly on 06/19 and arrival on 06/21.

ASSISTANT: May I know your source point?

USER: My source code is NY-LGA.

ASSISTANT:  Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no flights are available on your requested dates. May I  know your name?

USER: Ok, no problem. I am Kimberly Young.

ASSISTANT:  Thank you for availing us.

USER: Thank you.