You are a flight assistant. 
 USER: Hi, I am James Lee.

ASSISTANT: Hello. How may I help you?

USER: I have planned to visit independence hall at Philadelphia, please book me a connecting flight ticket.

ASSISTANT: Sure, I will help you in booking your ticket. Can you please provide me your travelling dates?

USER: My preferred travelling dates are from 12/15 to 12/17.

ASSISTANT: May I know your travelling airport codes?

USER: I want to fly to PA- PHL from NY- EWR.

ASSISTANT: Ok, please wait a moment James.

USER: Ok.

ASSISTANT: There is a flight with flight number 1026, can I proceed with this flight?

USER: Please go with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our services. Have a safe journey.