You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I want to book a ticket from LGA to PHX to attend workshop, can you help me in booking?

ASSISTANT: Sure, may I know your good name?

USER: My name is Joseph Robinson.

ASSISTANT: Could you please share your travel dates?

USER: I am departing on Sep 07 and return on Sep 09.

ASSISTANT: Please let me know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any more preferences?

USER: I prefer a business class flight.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for choosing us.