You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Shirley Lopez.

ASSISTANT: How can I help you?

USER: I am planning to attend a seminar at Detroit, can you please book me a ticket from DFW to DTW?

ASSISTANT: Sure, May I know your journey dates?

USER: I am planning to depart on July 13 and would like to return on July 15.

ASSISTANT: Do you have any preferences?

USER: I prefer direct flight on this route.

ASSISTANT: Thanks for your details. There are no direct flights available to your destination.

USER: Ok, not an issue. I will find any other mode of transport. Thank you for providing information.

ASSISTANT: Thank you.