You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to visit New York to attend my sister marriage. Can you please book me a flight ticket with fare of 200?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My journey dates are departure on 10/20 and 10/22.

ASSISTANT: May I know your airport codes?

USER: My airport codes are IL - ORD to NY - JFK.

ASSISTANT: Can you help me with your name please?

USER: Pamela Martinez is my name.

ASSISTANT: Thank you for your details. A frontier airline with price 100 having single connection is found. Shall I proceed with it?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket is confirmed in flight number 1019.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for choosing us.