You are a flight assistant. 
 USER: Hello. Charles Mitchell here.

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

USER: I want to fly from LGA- PHX. Can you please book my ticket.

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

USER: My travelling dates are 10/30 and 11/1.

ASSISTANT: The economy class with flight number 1010 of Spirit airline is available having connection as 1, is it ok for you?

USER: Make sure that my class preference should be in business only.

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

USER: No issues, thank you for the information.

ASSISTANT: You are welcome, have a great day.