You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend my cousin wedding anniversary in PA - PHL, will you help me in flight booking?

ASSISTANT: Sure, Can you help me with journey dates and origin point?

USER: My origin from CO - DEN, and my travelling dates from 04/19 to 04/21.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting. I found a flight with flight number: 1022, Airline: UA, Price: 100 with single connection. Shall I proceed with this?

USER: Don't proceed, I want a direct flight.

ASSISTANT: May I know your name please?

USER: My name is Nicholas Green.

ASSISTANT: Thank you for choosing us.

USER: Thank you, for your service.