You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am planning to attend international hacking conference at Philadelphia,PA - PHL. So, please book a flight ticket on 05/21.

ASSISTANT: Can you share the source airport code with date?

USER: Sure, my boarding point is New York, EWR.

ASSISTANT: May I know the landing date?

USER: 05/23.

ASSISTANT: There is a flight with connection 1 in airline Southwest. Can I reserve it?

USER: Please, reserve the ticket.

ASSISTANT: For booking I need your name, please help with that.

USER: Sure, my name is Amanda Collins.

ASSISTANT: Your ticket is confirmed, have a safe trip.

USER: Thank you for your help.

ASSISTANT: Welcome.