You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me in booking a flight ticket from DTW to OAK?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My travelling dates are from Mar 19th to Mar 21st.

ASSISTANT: Can you please share your connection limit?

USER: I want a single connection in between my journey.

ASSISTANT: May I know your name please?

USER: I am Jason Davis.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Jason Davis, there are no flights available in your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.