You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Catherine Collins.

ASSISTANT: How may I help you?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from PHL to ORD?

ASSISTANT: May I know your travel dates?

USER: I would like to take off on 01/14 and return on 01/16.

ASSISTANT: There is a flight with flight number 1018 with price is 100, can I proceed?

USER: Please confirm the booking if the connection is 1.

ASSISTANT: Your booking is done in AA airlines.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Most welcome.