You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a ticket from ORD to LGA. Could you book a ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Travelling dates are from Sept, 27 till Sept, 29.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your name please?

USER: My name is Donna Walker.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Delta airline, flight number: 1003, price: 100 with one connection. Shall I proceed to booking?

USER: Please book a flight.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thanks.

ASSISTANT: Thank you, have a good day.