You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Anthony Lopez here. Please help me out in booking the ticket from DEN to IAH.

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My trip dates are 02/13 and 02/15.

ASSISTANT: Ok, please allow me a moment.

USER: Sure.

ASSISTANT: The Spirit airline with flight number 1000 is available having fare as 200 and connection as 0, is it ok for you?

USER: Please proceed it.

ASSISTANT: Fine, your reservation is confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting us, have a great day.