You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Catherine Brown from Chicago. Can you please make a reservation from ORD to EWR?

ASSISTANT: Let me know your travelling dates.

USER: Sure, my travelling dates are Dec 14 - Dec 16.

ASSISTANT: Do you have any preference?

USER: Yes, I need a connecting flight with economy class and my depart time should be on afternoon.

ASSISTANT: Found ticket with airline Southwest for price 100 having flight number 1001. Shall I book a ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.