You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to travel from LAS to PHX. Can you please book my ticket?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travel dates are from 06/08 to 06/10.

ASSISTANT: Do you have any connection limit?

USER: Yes, I want a single connection.

ASSISTANT: Is there any class preference?

USER: My class preference is business.

ASSISTANT: May I know your name?

USER: Myself Ronald Hall.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: It's ok, thank you.

ASSISTANT: Thank you.