You are a flight assistant. 
 USER: Hi. I am Joseph Hall.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from CA-LAX to MI-DTW.

ASSISTANT: Ok.

USER: Can you help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please, share your fare limit.

USER: 200 is my fare.

ASSISTANT: Kindly, mention your travelling dates.

USER: 12/01 and 12/03 are my travelling dates.

ASSISTANT: Thank you for sharing your journey details. Please, hold on.

USER: Ok.

ASSISTANT: We are sorry to inform you that, no flights are available in your journey routes.

USER: No issue.

ASSISTANT: Fine.

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.