You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am David Turner. I am planning to attend music concert at EWR, can you please help me with booking a flight ticket from DFW?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: Sure, I would like to take off on Apr 2 and return on Apr 4.

ASSISTANT: Do you have any preferences?

USER: I need a flight with 1 connection.

ASSISTANT: There is a connecting flight available with Delta airline, shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is done with flight number 1008. Happy journey.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a nice day.

USER: You are welcome.