You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How could I serve you today?

USER: I want to book  a flight ticket from PHL to meet my old friend to start a new business in JFK. Can you help me?

ASSISTANT: Sure, I am happy to help you. Kindly mention your departure date and arrival date?

USER: 08/17 and 08/19 are my planned travelling dates.

ASSISTANT: Let me know your connection limit in between journey.

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your name please for documentation purpose?

USER: I am Andrew Lewis.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.