You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Sandra Wright here. I need to reserve a ticket from CLT to DTW, can you help me in doing that?

ASSISTANT: May I know your trip dates?

USER: My trip dates are Aug 27 to 29.

ASSISTANT: Do you prefer any specifications?

USER: I need a direct flight in economy class.

ASSISTANT: There is a connected flight in Delta airlines with the fare 200. No direct flights found. Whether I should book or not.

USER: Ok, thank you for the information.

ASSISTANT: Thank you.