You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Help me with your name please?

USER: I am Nicholas Taylor.

ASSISTANT: Nicholas Taylor, in what way may I be at your service ?

USER: I am planning to surprise my brother on his birthday by taking to Bateaux New York dinner cruise.

ASSISTANT: Fine.

USER: Can you book a connecting flight ticket for me to New York, LGA?

ASSISTANT: For booking a ticket, I need your boarding point?

USER: Atlanta, ATL is my boarding point.

ASSISTANT: On what dates you booked a ticket to surprise your brother?

USER: I will depart on 08/17 and return on 08/19.

ASSISTANT: Wait a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights available for you due to the route which you are travelling has blocked.

USER: It's ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.