You are a flight assistant. 
 USER: Hi, John Allen here.

ASSISTANT: Hello, how may I help you?

USER: I would like to fly to ORD from EWR, can you book a flight?

ASSISTANT: Please provide the travel dates?

USER: Sure, My preferable travelling dates are 06/08 to 06/10.

ASSISTANT: I am happy to inform you that, there is a flight called Delta airlines. It goes with a connecting flight.

USER: Ok, please book the ticket.

ASSISTANT: John, please wait for a minute. Ok, your flight ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you have a nice journey.