You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket to LAS from LAX?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my planned trip dates are Apr 16 and Apr 18.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight for my journey.

ASSISTANT: Is there any class preference?

USER: I need an economy class flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Ok, my name is William Thomas.

ASSISTANT: We found a connecting flight of fare 200 with airline American and number is 1021. Can I proceed?

USER: Yes, do proceed with the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your kind service.

ASSISTANT: Thank you.