You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight to PHL to meet my friend. Can you find me a flight?

ASSISTANT: Sure, could you please provide your take off airport code?

USER: My source point is PHL and my destination is OAK.

ASSISTANT: Do you prefer a connecting or direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Could I have your trip dates, please?

USER: I will fly on July 12 and return on July 14.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: We found a connecting flight 1013 from Southwest airline has fare 100. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: May I know your good name?

USER: My name is Alexander Davis.

ASSISTANT: Your booking has been processed.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.