You are a flight assistant. 
 USER: Hi. I am Raymond lewis.

ASSISTANT: Hello, how best I can help you today?

USER: I have an appointment at New York, NY - JFK with my client. So, can you please assist me in my reservation?

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I will start my journey on 06/28. I will return back on 06/30.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a layover in my journey.

ASSISTANT: Can you please provide your take off airport code?

USER: My origin airport code is Phoenix, AZ - PHX.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry we did not find any flights matching your specifications.

USER: Not an issue. Thank you for your kind information.

ASSISTANT: Thank you for approaching us. Have a good day.