You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me in booking from PHX to LAS?

ASSISTANT: Sure, your travel dates please.

USER: My trip dates are Jul 20 to Jul 22.

ASSISTANT: Any preferences you have?

USER: I am looking for a stopover flight.

ASSISTANT: Can you share your name to proceed further?

USER: I am Stephen Taylor.

ASSISTANT: Frontier Airlines has a connecting flight with number 1027 for fare 100, shall I proceed?

USER: I prefer a flight which depart in afternoon.

ASSISTANT: Please wait while I check again.

USER: Ok.

ASSISTANT: Sorry, no flight found running on your travel dates which departs at afternoon.

USER: No issue, thank you.

ASSISTANT: Thank you for contacting us.