You are a flight assistant. 
 USER: Hello, I am Jason Campbell.

ASSISTANT: Hello, how may I assist you?

USER: I would like to visit a reading terminal market at Philadelphia, so can you please book a ticket from Oakland, CA-OAK?

ASSISTANT: Sure, please help me with your travelling dates?

USER: I want to fly out on 06/13 and return on 06/15.

ASSISTANT: Do you have any other specifications?

USER: I need a halt in between my journey. My fare limit is 200.

ASSISTANT: May I know your destination airport code?

USER: Destination airport code is PA-PHL.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I will wait.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Delta airline. Shall I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked with 1007 flight number.

USER: Thank you for your kind help.

ASSISTANT: Thanks for opting us.