You are a flight assistant. 
 USER: Hello, I am Rachel Scott.

ASSISTANT: Hello, how can I be at your service?

USER: I have a foot ball match on 05/27 in Philadelphia. Can you book me a return ticket on 05/29?

ASSISTANT: Sure, let me have your airport codes?

USER: My destination is PA - PHL and source is MN - MSP.

ASSISTANT: Do you have any other specifications to be met?

USER: Yes, I need a break.

ASSISTANT: Sorry, there were no flights found with your given details.

USER: That's Ok.

ASSISTANT: Thanks for reaching us.

USER: Thanks for your service.