You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: My name is Jennifer Smith. I have a business meeting in Chicago. Can you help me for booking a flight ticket from DTW to ORD?

ASSISTANT: Sure, let me know your planned journey dates.

USER: My travelling dates are Dec 16 and Dec 18.

ASSISTANT: Ok, Is there any class preference?

USER: Any class is fine for me.

ASSISTANT: Sure, Do you prefer a connected flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Thanks for your information, please wait.

USER: Welcome. Sure, I will wait for your response.

ASSISTANT: Thanks for your time, there were no flights found based on your required details.

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

ASSISTANT: Thank you for availing us.

USER: Welcome.