You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Donald Hernandez from New York. Could you please help me in flight ticket booking process from JFK to ATL?

ASSISTANT: Ok, please can I know the dates of your journey too as I need to check for the flights availability?

USER: Thank you for your response, I want to take off on June 15 and please confirm my return ticket also on June 17.

ASSISTANT: Ok, please mention if you have any specification for this journey.

USER: I want to return in afternoon time so please check with this.

ASSISTANT: Ok, please wait a moment I will check for the flight and let you know.

USER: Ok.

ASSISTANT: Sorry Donald Hernandez, there is no flight available as per your intent.

USER: Oh! It's ok no problem.

ASSISTANT: Thank you for choosing our agency.

USER: Thank you for your information.