You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me to book a flight ticket from SEA to DTW?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My travel dates are Feb 18 and Feb 20.

ASSISTANT: Can I have your name please?

USER: I am Michelle Hill.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I prefer connecting flight for this trip.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: Michelle Hill, no flights has been found on your planned travel dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.