You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Thomas Perez.

ASSISTANT: How can I render you today?

USER: I am planning to visit the High Line Park in New York, so please help me in booking a flight ticket from Philadelphia.

ASSISTANT: Ok. Sure, we are here to aid you. To proceed with further booking I need your airport codes.

USER: My airport codes are PA - PHL, NY - LGA.

ASSISTANT: May I know your dates of travel?

USER: I want to fly on 09/18 and return on 09/20.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time. Based on your request there is a plane 1008 of UA airline with a connecting flight. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Reservation is done with your name.

USER: Thank you.

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