You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I guide you today?

USER: I am Joseph Campbell, can you help me to search a flight on 07/15?

ASSISTANT: Sure, I will search flight for you, may I know your airport codes?

USER: My preferred airport codes are PHL and ORD.

ASSISTANT: When you are going to return?

USER: I will be return on 07/17.

ASSISTANT: There is a flight in AA airline with connection 1 as per your details, can I proceed to booking?

USER: Proceed with booking.

ASSISTANT: Your ticket is confirmed by flight number 1003.

USER: Thank you.

ASSISTANT: My pleasure.