You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Garcia.

ASSISTANT: How can I help you Debra?

USER: I am planning to visit a Detroit with my friends.Can you please help me out to book a ticket from ATL to DTW?

ASSISTANT: Please let me know your journey dates.

USER: Sure, I would like to travel on 08/25 and return on 08/27.

ASSISTANT: Give me a minute please.

USER: Make sure my connection limit is 1 because one of my friend will join in middle.

ASSISTANT: Sorry Debra, there is no flight available for you as per your requirements.

USER: That's really sad. Thank you for helping me out.

ASSISTANT: Thank you for contacting us, have nice day.