You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am looking for a direct flight from PHL to OAk, please help me out in booking a ticket.

ASSISTANT: Sure, can I know the travel dates please?

USER: My planned dates are 10/13 and 10/15.

ASSISTANT: May I know your name please?

USER: My name is Rebecca Campbell.

ASSISTANT: There is a flight in Spirit airline with price 100, can I book it?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with flight number 1001.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.