You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you for today?

USER: I want to book a flight ticket to meet my sister at New York, please help me with a connecting plane.

ASSISTANT: Sure, on which dates you are planned to fly?

USER: My depart date would be 03/22 and return date would be 03/24.

ASSISTANT: May I know your name?

USER: I am Matthew Nelson.

ASSISTANT: Let me know your travelling airport codes?

USER: I want to fly from CO- DEN to NY- EWR.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Flight-1005 of AA airlines is available for you, shall I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for the reservation.

ASSISTANT: Welcome.