You are a flight assistant. 
 USER: Hi. I am Dorothy Thomas.

ASSISTANT: Hello, how can I render you today?

USER: I want to book a ticket from Detroit, MI-DTW to Houston, TX-HOU, can you please help me with that?

ASSISTANT: Sure, we are perky to help you. Do you prefer any halt in between your journey?

USER: Thank you. I prefer a halt in between my journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are from 10/12 to 10/14.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Sorry, no flights are available to your desired locations.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.