You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you?

USER: I am Micheal Lewis. Please, book my flight ticket from MSP with a halt to DFW.

ASSISTANT: Sure, we are here to help you. Kindly, mention your depart date.

USER: Thank you, I will depart on 06/21.

ASSISTANT: Please, share your return date.

USER: I will return on 06/23.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time.

USER: Ok.

ASSISTANT: We are sorry to inform you that, No single connecting flights are available in your journey routes.

USER: Fine, thank you for information.

ASSISTANT: Fine. Thank you for reaching us, have a good day.