You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from PHL to LAS, can you please help me in booking a flight ticket?

ASSISTANT: May I know your trip dates?

USER: Sure, my journey dates are Nov 9 and Nov 11.

ASSISTANT: Do you need any break in your journey?

USER: I prefer maximum one connection.

ASSISTANT: Is there any specific time to travel?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, Michael Hernandez here.

ASSISTANT: There is a connecting flight with fare of 200 and 1000 flight number. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your seat has been reserved with United Airlines in economy class.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.