You are a flight assistant. 
 USER: Hello,. I am Janet Thomas.

ASSISTANT: Hello, How can I assist you today?

USER: Can you please book a flight ticket to attend a workshop in Arizona Science Center at Phoenix, PHX?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: Can you please provide your take off airport code?

USER: My nearest airport is Detroit, DTW, so I want to start from here.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: Yes, I prefer a halt in between journey.

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

USER: I want to start my journey from Detroit on 02/26 and intend to return on 02/28.

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

USER: Sure.

ASSISTANT: Sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.