You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Michelle Miller. I want to book a flight ticket from DFW to LAG. Could you help me in booking?

ASSISTANT: Sure, can I know your travel dates please?

USER: My travelling dates are form 09/18 to 09/20.

ASSISTANT: Can you please provide the correct destination airport code?

USER: My destination airport code is LGA.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: There is a connecting flight in Spirit airline with price 100, can I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1024.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us.