You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My planned travel dates are 05/07 and 05/09.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I want a flight with single connection.

ASSISTANT: May I know your good name please?

USER: Sure, George Phillips here.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.