You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: I want to fly from BOS to PHX. Can you book my ticket from that route?

ASSISTANT: Sure, May I know your travelling dates?

USER: My planned travel dates are 11/28 to 11/30.

ASSISTANT: Do you have any connection limit?

USER: I want a flight with single connection.

ASSISTANT: Any other preferences?

USER: Make sure that my return time should be in afternoon with business class only.

ASSISTANT: May I know your name?

USER: Sure, Laura Collins here.

ASSISTANT: Sorry, there are no flights found with your data.

USER: No issues, thank you for the information.

ASSISTANT: Thank you.