You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please help me in booking a flight ticket to PHX from SEA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travel dates are from Apr 22 to Apr 24.

ASSISTANT: Do you have any connection limit?

USER: I need a stopover in between my journey.

ASSISTANT: Any other preferences?

USER: No, thanks for asking.

ASSISTANT: May I know your name?

USER: I am William Moore.

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

USER: No problem, thank you.

ASSISTANT: Thank you.