You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from DEN - DTW, can you block a ticket from that root?

ASSISTANT: Sure, kindly share your travel dates.

USER: My planned travel dates are 06/13 and 06/15.

ASSISTANT: Do you have any connection preference?

USER: I want a flight with maximum connection of 0.

ASSISTANT: Is there any other specifications?

USER: My return time should be in afternoon only.

ASSISTANT: May I know your class preference?

USER: No issues with my class but my airline preference should be in normal - cost.

ASSISTANT: Please share your name.

USER: Sure, Justin Turner here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No issues, thank you for the information.

ASSISTANT: Thanks for reaching us.