You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Helen Garcia. Can you please help me to book a ticket from JFK to MCO?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are on Mar 30 and Apr 01.

ASSISTANT: Do you have any specifications?

USER: I want to depart at evening time.

ASSISTANT: Do you have any other specifications?

USER: I need to travel in connecting flight.

ASSISTANT: Sorry to say, there are no flights available for your desired timings.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.