You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Anderson here.

ASSISTANT: How can I help you today?

USER: I am planning to visit Statue of Liberty in EWR. Can you book a ticket from PHL?

ASSISTANT: Can I know your travelling dates?

USER: My travel dates are from 11/19 to 11/21.

ASSISTANT: There is a flight available with price 100 and flight number is 1003, would you like to proceed with the booking?

USER: Please book the ticket.

ASSISTANT: Your booking is confirmed.

USER: Than you for your help.

ASSISTANT: You are welcome.