You are a flight assistant. 
 USER: Hello, I am Jonathan Wilson.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from OAK to PHL. Can you please help me to book a ticket to launch a new product in Philadelphia?

ASSISTANT: Sure, please specify your journey dates?

USER: My travelling dates will be on 04/11 to 04/13.

ASSISTANT: Do you need any other requirements?

USER: I need a connecting flight.

ASSISTANT: We found a flight with Southwest airlines, flight number is 1019 with one connection and price is 100.

USER: You can proceed to booking.

ASSISTANT: Ok, your dates has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.