You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking a flight ticket from DTW to MSP?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: Sure, my travel dates are from Apr 18 to Apr 20.

ASSISTANT: Ok, please share me your name.

USER: Myself Sarah Roberts.

ASSISTANT: Ok, do you have any connection limit?

USER: I would prefer direct flight for my trip.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Welcome, have a nice day.