You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Karen Williams want to book a flight ticket to attend my sister's wedding at New York on 04/01 and return on 04/03, can you help me with it please?

ASSISTANT: Sure, may I know your journey dates? May I know your airport codes?

USER: My airport codes are PA-PHL and NY-EWR.

ASSISTANT: Please, hold on.

USER: Ok.

ASSISTANT: You have a flight with airline UA and flight number is 1002 with 1 connection and price is 100. Can I reserve your seat?

USER: Ok, please proceed with booking.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.