You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need your help in booking a flight ticket from ORD to EWR.

ASSISTANT: Sure, can you share me your trip dates?

USER: August 16 and 18 are my planned travelling dates.

ASSISTANT: Do you have any airline preference?

USER: I prefer to fly in a normal-cost airlines.

ASSISTANT: Is there any other specifications?

USER: I need you to reserve my seat in a economy class flight.

ASSISTANT: Can I know your name please.

USER: My name is Patrick Smith.

ASSISTANT: I found a flight with the price of 100 having one connection and economy class. shall I proceed to booking?

USER: Great! Please book the ticket.

ASSISTANT: Your ticket is booked in UA airlines.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.