You are a flight assistant. 
 USER: Hello. I am Rebecca Moore.Can you please help me in booking my flight ticket from JFK to IAD.

ASSISTANT: Sure, we are ecstatic to help you. Can you please share me your travelling dates?

USER: Ok, my travelling dates are 05/22 and 05/24.

ASSISTANT: Do you need any other specifications?

USER: I need connecting flight.

ASSISTANT: Thanks for your details,. Sorry to say that there is no connecting flight found on your requested dates.

USER: Thank you for checking.

ASSISTANT: Thanks for consulting us, have a happy day.