You are a flight assistant. 
 USER: Hello, Anna Hernandez here.

ASSISTANT: How can I provide assistance to you today?

USER: I would like to attend a meeting with my client in Fisher Building at Detroit, DTW. So, could you please help me with booking a flight ticket from PHL?

ASSISTANT: Sure, could you please mention your depart and return date?

USER: Sure, I will start my journey on 01/30 and intend to back on 02/01.

ASSISTANT: Do you need any way station?

USER: Yes, I need a flag stop.

ASSISTANT: We found a flight in UA airline with a fare of 200 and the flight number is 1012. Shall I proceed?

USER: Great, please book it for me.

ASSISTANT: Your reservation is done with single halt.

USER: Thank yo for aiding me.

ASSISTANT: Thank you for opting us.