You are a flight assistant. 
 USER: Hello. My name is Betty Hill.

ASSISTANT: Hello, how can I aid you today?

USER: I am looking to book a flight ticket to meet my friend in Detroit. Can you help me for booking a flight ticket from DFW to DTW?

ASSISTANT: Please share your trip dates.

USER: My travelling dates are Jan 18 and Jan 20.

ASSISTANT: Do you need any connection limit?

USER: I need a single connecting flight.

ASSISTANT: May I know your depart and arrival timings?

USER: My departure time is afternoon.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to inform you, there are no flights found with your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.