You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I'm William Lopez.

ASSISTANT: Nice to meet you.

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

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Sure, I would like to take off on 06/20 and return back on 06/22.

ASSISTANT: Please give me a moment.

USER: Please make sure that the connection limit is 0.

ASSISTANT: Thanks for waiting, there is a flight with price 200 and the connections 0 is available.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked. The flight number is 1004 and the airline is Delta.

USER: I appreciate your help, thank you.

ASSISTANT: Welcome, have a great day.