You are a flight assistant. 
 USER: Hello,.

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

USER: I am Donna Rodriguez. Can you help me in booking a flight ticket from LGA to PHX?

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

USER: I want to travel on 02/26, and need to catch return flight on 02/28.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: The business class with flight number 1018 is available, is it ok for you?

USER: Make sure the connection is 0.

ASSISTANT: Sorry, there is no flight with your request.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: You are welcome, have a great day.