You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Nicole Collins here, I want to reserve my ticket from DTW to DCA, can you please help me?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Ok, my planned dates of journey are from Nov, 22 to Nov, 24.

ASSISTANT: May I know your connection limit?

USER: Yes, I need a direct flight.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Sorry , no flight is available for you as per your requests.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.