You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit Denver, can you please book me a ticket from PHX to DEN?

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

USER: My preferable journey dates are from 09/22 to 09/24.

ASSISTANT: Please wait a moment.

USER: Sure, please search for direct flight on this route.

ASSISTANT: Sorry to inform you that there are no flights available for you with 0 connection.

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: May I know your good name please?

USER: My name is Susan Rodriguez.

ASSISTANT: Fine, thank you for choosing us.

USER: Thank you for the information.