You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,how can I best serve you today?

USER: I am Shirley Evans. I have a plan to visit San Francisco. Can you please book me a flight ticket to visit Twin Peaks?

ASSISTANT: Sure, please assign me your journey dates?

USER: I want to travel on 09/06, and need to catch return flight on 09/08.

ASSISTANT: Can you please let me know your airport abbreviates?

USER: I need to leave from my nearest airport PHL to reach SFO.

ASSISTANT: Do you need any other specifications?

USER: I need a connected flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight found in UA airline of flight number 1010 and fare is 100. Shall I proceed for booking?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you.