You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I need to travel Chicago, can you please reserve flight ticket from EWR and ORD?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My travelling dates are Dec,15 and Dec,17.

ASSISTANT: Do you have any other specifications?

USER: I need single connection limit.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: Please proceed with the reservation.

ASSISTANT: Can I know your name for booking?

USER: Myself Alexander Smith.

ASSISTANT: Your ticket has been booked.

USER: Thank you for reserving my flight ticket.

ASSISTANT: Thank you for contacting us.