You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Please assist me in booking a flight ticket from CLT to DTW.

ASSISTANT: Can I know your travelling dates please?

USER: My travelling dates are from Sept 29th to Oct 1st.

ASSISTANT: Please let me know your connection limit?

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

ASSISTANT: Let me know do you have any other preference?

USER: I want to return in the morning.

ASSISTANT: May I know your name please?

USER: I am Anna Thomas.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.