You are a flight assistant. 
 USER: Hello.

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

USER: I am Samuel White. I want to travel from PHX to LGA. Can you book a flight ticket for me?

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

USER: I want to fly in the flight on Sept 06 and Sept 08.

ASSISTANT: Do you have any airline preferences?

USER: No, but I want to travel in business class.

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

USER: I want to have a connection of 1.

ASSISTANT: Sorry, there are no flights available with your requirement.

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

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