You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Nicole Moore is here. I have a plan to attend nature festival in DTW, can you please aid me in making an airline reservation from IAD?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are June 29th and July 1st.

ASSISTANT: Let me know your connection limit.

USER: I need a flight with single connection.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for choosing us.