You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How  may I assist you?

USER: I would like to book a flight ticket from NY to attend a robotic workshop in NC, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure. Tell me your travel dates please?

USER:  I need to depart on May 27th and my return date will be on May 29th.

ASSISTANT: May I know your name please?

USER: I am Debra Perez.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your time. Sorry to inform you that presently stopover flights are not available with us.

USER: That's fine, I'll choose any alternative.

ASSISTANT: Thank you.

USER: Thank you for your information.