Good morning , sir . Can I help you ?   Yes , I need to check-in for the eleven 20 flight to New York , please .   O . K . Ticket , please .   Here you are .   Would you like a window or an aisle seat , Mr . Smith ?   I want an aisle seat as close to the exit door as possible , please .   Very well . Do you have any bags to check ?   No , I just have this one small bag .   Here you are , seat 12c . Please go to gate 23 after passing through the security checkpoint .   Thank you .   Have a nice day .   You , too . 