You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am Thomas Gonzalez. I want to join the private moon walk tour in DTW. Can you book me a ticket from DEN?

ASSISTANT: Sure, please share your travelling dates.

USER: I would start on May 29th and return on May 31st.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes.

ASSISTANT: Do you have any other requirements?

USER: I need to return in the morning.

ASSISTANT: There are no flights found on your requested dates.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for reaching us.