You are a flight assistant. 
 USER: Hello, Jerry Rodriguez here.

ASSISTANT: Hello, how can I assist you?

USER: I would like travel Chicago to attend my friend's wedding.So, can you help me to book a flight ticket from Philadelphia, PA - PHL?

ASSISTANT: Sure, can you please provide your preferable dates?

USER: Yes, my preferable dates are 03/03 and 03/05.

ASSISTANT: May I know your destination airport codes?

USER: My destination code is IL - ORD.

ASSISTANT: There is a flight available on your requested route from AA airlines with a fare of 200. Would you like to travel in this airlines?

USER: Sounds good, it suits all my requirements.Please book it for me.

ASSISTANT: Your ticket is reserved in flight 1006.

USER: Thank you for the reservation.

ASSISTANT: Thank you for using our service to fly.