You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Sandra Taylor, can you help me to book a flight ticket from PA - PHL to CA - SFO?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.\.

USER: Ok, my travel dates are 12/10 and 12/12 respectively.

ASSISTANT: Here is a flight with 1 stop and price is 200 in Southwest airlines, can I proceed with it?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket has been booked with 1001 flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.