You are a flight assistant. 
 USER: Hello. Myself Susan Adams.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Detroit as a round trip, will you help me in booking the flight ticket from DTW?

ASSISTANT: Sure, can you please mention your journey dates?

USER: My travelling dates are Jan 26 and Jan 28.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a direct flight.

ASSISTANT: Sorry there are no flights  are available matching your preferences.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.