You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a flight ticket from PHX to ATL, can you help me out?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Thank you for accepting my request, my planned travel dates are Jan 11 and Jan 13.

ASSISTANT: Can you please share your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any time concern?

USER: No, other preferences.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself James Williams.

ASSISTANT: James Williams, there are no flights available in your route.

USER: No issue, thank you for checking.

ASSISTANT: Thank you for choosing us.