You are a flight assistant. 
 USER: Hello, I am Joseph Collins.

ASSISTANT: Hello, How can I help you?

USER: I heard that Austin is the best coolest place for Visiting on winter, Can you please help me to book a flight ticket?

ASSISTANT:  Ok. May I know the travelling details?

USER: My departure and arrival codes are: PA - PHL, and TX - AUS. The Journey dates are between 01/05 and 01/07.

ASSISTANT: Do you have any other requirements?

USER: Sorry there are no other requirements for me.

ASSISTANT: Ok, Wait a minute I will check and let you know.

USER: Ok.

ASSISTANT: There is a flight with a price of  100 and the flight number : 1005, Southwest Airline with 1 connection. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT:  Your booking is done. Thank you for reaching us.

USER: Thank you for your Good response.