You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I give assistance to you?

USER: I am looking to book a flight ticket from PHL to MSP. Can you help me for that?

ASSISTANT: Sure, Let me know your class preference.

USER: Any class is fine for me.

ASSISTANT: May I know your preferred journey dates?

USER: My journey dates are May 04 and May 06.

ASSISTANT: Do you prefer either a connected flight or a direct flight?

USER: I prefer to book a single connecting flight.

ASSISTANT: Ok, Is there any other specifications?

USER: My airline preference is normal cost.

ASSISTANT: Thanks for your details, please standby.

USER: Ok.

ASSISTANT: We found a direct flight in United Airline with a fare of 100 and in an economy class. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Kindly please share your name for booking.

USER: My name is Mary Hall.

ASSISTANT: Sure, your booking has been done.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us. Have a safe journey in 1018 airline.