You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for the day?

USER: Please help me to book a flight ticket from DTW to DFW.

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Jan, 13 to Jan, 15.

ASSISTANT: Do you have any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Any other specifications to be met?

USER: I prefer to return in the morning.

ASSISTANT: We found a connecting flight having a fare 100 of Spirit Airlines with return time 5:00 hours. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: May I know your name?

USER: Ruth Hernandez.

ASSISTANT: Your booking has been processed.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.