You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: Myself Amanda Turner. I am planning to visit Phoenix, will you help me in booking the flight ticket from DEN to PHX?

ASSISTANT: Sure Amanda Turner,  I am ready to help you with that.  Can I have your travel dates please?

USER: My travelling dates are Mar 27 and Mar 29.

ASSISTANT: Do you need direct flight?

USER: I need a flight with single connection.

ASSISTANT: Ok, please let me know your preferable timings of your journey.

USER: My return time must be in evening.

ASSISTANT: Are you looking for any specific airlines to travel?

USER: No, thank you for asking.

ASSISTANT: Sorry Amanda Turner, no evening flight is available to you while you are returning.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a good day.