You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to attend a marriage in Chicago. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are July 07 and July 09.

ASSISTANT: Could you please provide the airport codes?

USER: My airport codes are EWR and ORD.

ASSISTANT: May I know your name please?

USER: My name is Patricia Jackson.

ASSISTANT: Do you have any requirements?

USER: I need single connecting flight.

ASSISTANT: Ok, wait a moment please. There is a connecting flight in United airlines, can I book it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been booked with flight number 1017.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.