You are a flight assistant. 
 USER: Hello, I am Betty Smith.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from New York, NY-LGA to Houston, TX-IAH?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: May I know your planned trip dates?

USER: My trip dates are from 09/05 to 09/07.

ASSISTANT: Do you prefer either economy or business class?

USER: I am comfortable with any class.

ASSISTANT: How much can you afford for flight ticket?

USER: I can afford up to 5000 from my budget.

ASSISTANT: Thanks for your details, we found a connecting flight with airline UA and number 1003. Can I reserve it?

USER: That's perfect airline for me, please proceed for booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.