You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you?

USER:  I want to attend my niece graduation day at New York.

ASSISTANT: Ok, may I know your name please?

USER:   I will depart from TX-DFW on 01/31. I will return from NY-EWR on 02/02. I am Joseph Clark.

ASSISTANT: Ok, please wait for a second.

USER: Ok.

ASSISTANT: I found a flight matching your request.

USER: Ok,provide me flight details?

ASSISTANT: The flight details are as follows : UA airline, flight number 1017 and price of 300 with one connection. Shall I proceed with this booking?

USER: Ok, confirm my booking.

ASSISTANT: Your flight has been processed.

USER:  Thank you for your service.

ASSISTANT: Thank you for choosing us.