You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a ticket from IAH to DFW. Can you please help me out?

ASSISTANT: Sure, please share your journey dates?

USER: I am planning to travel on Sept 16 and return back on Sept 18.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any class preference?

USER: NO.

ASSISTANT: May I know your good name?

USER: My name is Anna Martinez.

ASSISTANT: We found a flight in Hawaiian airlines, flight number is 1004 with single connection and price is 300 economy class. Shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.