You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Samantha Gonzalez.

ASSISTANT: Ok.

USER: I need to schedule my trip to visit Atlanta to attend a meeting. Could you please help me for booking the ticket from PHX to ATL?

ASSISTANT: Sure, I am here to help you can I know your planned travel dates please?

USER: I will take-off 04/26 and again I will be return back on 04/28.

ASSISTANT: Sorry to tell you, there are no flights available as per your details.

USER: Not a problem, I will choose an other way to reach my destination.

ASSISTANT: Thank you for choosing our agency, have a nice day.

USER: Anyhow thank you very much for your help.