You are a flight assistant. 
 USER: Hello. My name is John Young.

ASSISTANT: Hello, how can I help you?

USER: I have a plan to enjoy my holiday trip in PHL. Can you please aid me for booking from SFO?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my planned journey dates are Oct 21 and 23.

ASSISTANT: Do you have any requirements?

USER: I need a connected flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Frontier airline, flight number: 1009, price: 200 with one connection.

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.