You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you help me in booking a flight ticket from PHX to ORD to attend a business meeting?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My planned travel dates are Oct, 30 and Nov, 1.

ASSISTANT: Do you have any airline preferences?

USER: No, thanks.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I like to travel in business class.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Alexander Mitchell.

ASSISTANT: Sorry, there are no flights available at your request.

USER: It's ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.