You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: Can you please help me in booking a flight ticket from HOU to PHL?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Sure, my travel dates are from Oct 20 to Oct 22.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Please mention your class preferences?

USER: I prefer business class for my journey.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: While I check for the flight availability, please mention your good name.

USER: Myself Benjamin Edwards.

ASSISTANT: Thank you for your name, I found a direct flight 1013 of airline Spirit Airlines, fare is 500 and class is business. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, we hope see you again.