You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Is there any availability of flights in business class?

ASSISTANT: Sure, to check that I need some details from you, first share your travel dates please.

USER: My travelling dates are on Jan 29 and 31.

ASSISTANT: May I know from where are you planning to board?

USER: I am boarding from PHX.

ASSISTANT: Where are you heading to?

USER: I want to reach ORD.

ASSISTANT: In which class would you like to reserve these tickets?

USER: I have already provided.

ASSISTANT: Ok, may I know your connection limit?

USER: I need a connected flight.

ASSISTANT: Sure, do you have any other preference?

USER: No.

ASSISTANT: To proceed further with the booking I need your name, could you please share it?

USER: Sure, Thomas Miller is my name.

ASSISTANT: We have found a direct flight which meets all your journey needs and it is costing 600 as it is a business class seat. Shall I move forward with the booking?

USER: Ok, please go ahead for booking.

ASSISTANT: Your ticket has been confirmed in Untied airlines, flight number 1003.

USER: Thanks for your service.

ASSISTANT: Thanks for contacting us.