You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Helen Rodriguez. I am planning to book a ticket to attend a meeting at JFK. Can you please help me out from PHL?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I am planning to travel on 05/17 and return back on 05/19.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number:1000 and the price is 300..

USER: That's fine, please proceed the booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.