You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra White.

ASSISTANT: How can I help you?

USER: I am planning to book a ticket to attend a meeting at LGA. Can you please help me out from DCA?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: I would like to travel on 11/27 and return back on 11/29.

ASSISTANT: Give me a moment.

USER: Make sure my connection limit is 1.

ASSISTANT: Sorry to inform you that there is no flight found on your requested dates.

USER: That's fine.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your service.