You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Joshua Hernandez. I want to go for a business meeting, can you book a ticket for me?

ASSISTANT: Sure, can I know your travel details?

USER: I want to book a ticket from DTW to DFW. My preferable dates are from 02/03 to 02/05.

ASSISTANT: Give me a minute, I will be back with the details.

USER: Make sure that price limit must be 1000 and connection limit must be 1.

ASSISTANT: Sorry Joshua, there are no flights on your requested dates.

USER: Ok, thank you.

ASSISTANT: Welcome.