You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hi.

USER: I am Michael Roberts. I planned a trip with my family from AUS to DTW. Can you book me a flight of price 200 with a single connection?

ASSISTANT: Ya sure. Can you please share your traveling details?

USER: My trip dates are 06/16 to 06/18.

ASSISTANT: OK. Sorry there are no flights according to your requirements.

USER: OK, no matters. Thank you for helping me.

ASSISTANT: Thank you for reaching ours.