You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Patricia Collins, I want to visit Philadelphia, PHL. Can you please aid me for booking?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my travelling dates are Jan 3 and 5.

ASSISTANT: Can you please provide your source airport code?

USER: Sure, my boarding airport code is ATL.

ASSISTANT: Do you have any airline preferences?

USER: No, But I need a business class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I need a connected flight.

ASSISTANT: Sorry, there are no flights available with your requirement.

USER: Ok, thanks for your service.

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