You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name?

USER: I'm Michelle Martinez.

ASSISTANT: Do you want me to help you with anything?

USER: Yes, I want to attend my cousin's marriage on 12/26 to 12/28.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am happy to help you. May I know your airport codes?

USER: The corresponding airport codes are from NY-LGA to TX-DFW.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: I found a ticket for you.The price is 100 and flight number is 1008. Is it ok for you?

USER: Yes, It is ok for me.

ASSISTANT: Your ticket has been successfully confirmed by me.

USER: Thank you.

ASSISTANT: Welcome.