You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me in booking flight ticket from IAH to LGA to attend an event.

ASSISTANT: Sure, please share your journey dates?

USER: My trip dates are Aug 10 to Aug 12.

ASSISTANT: May I know your good name?

USER: Debra Harris here.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in connecting flight.

ASSISTANT: We found a flight in Spirit airlines, flight number is 1000 with single connection and price is 300 economy class. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.