You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is Ashley Garcia. I need your help in booking a flight ticket from EWR to PHL.

ASSISTANT: Sure, I am here to assist you. Can I know your travelling dates?

USER: Sure, my departure date is on 02/19 and the return date is on 02/21.

ASSISTANT: Do you have any requirements?

USER: Yes, price limit should not exceed more than 200 and the connection limit should be 1.

ASSISTANT: Thank you for providing information. But sorry, I have failed to found a flight based on your criteria.

USER: That's really sad.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Anyways thank you for your help.