You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from ORD to EWR, can you book a ticket?

ASSISTANT: Could you provide me your travelling dates?

USER: My travel dates are 11/03 and 11/05.

ASSISTANT: Flight 1017 with 200 in AA airline. Shall I proceed for booking?

USER: Ok, proceed.

ASSISTANT: May I know your name for further booking?

USER: My name is Angela Robinson.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing our service.