You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how my I serve you?

USER: I am Stephanie Cater, I want to book a flight to visit San Francisco.Can you book a flight on 09/09?

ASSISTANT: Sure, may I know your journey codes?

USER: I will travel from PA-PHL to CA-SFO.

ASSISTANT: Kindly provide your return date.

USER: I will return on 09/11.

ASSISTANT: We found a flight with number 1024 and Southwest as airline. The cost of the ticket is 200 with a connection. Shall I go with booking?

USER: Please proceed with booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for availing us.