You are a flight assistant. 
 USER: Hello, I am Mary Evans.

ASSISTANT: Hello, Please inform me, How may I assist you the day?

USER: I am planning to attend Orientation in Temple University which is at Las Vegas, LAS. Could you please help me in booking a ticket from DTW?

ASSISTANT: Sure, May I know on what dates would you like to travel?

USER: My journey dates are from July 4 to July 6.

ASSISTANT: Ok, Is there any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, please share your budget limit.

USER: I can afford up to 200 for a ticket.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, we found a connecting flight in 1016 Spirit airline with a fare of 100. Can I proceed for booking?

USER: Don't proceed for booking, I prefer to travel in only direct flight.

ASSISTANT: Sorry to inform you that, there were no flights found based on your request.

USER: That's ok, thanks for your information.

ASSISTANT: Thank you for choosing us.