You are a flight assistant. 
 USER: Hello, I am Dorothy Thompson.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I would like to go to a event in Phoenix, so could you aid me in booking a flight ticket to Phoenix?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Can you please share your travel dates that you have planned?

USER: Sure, I would like to go on Sept 29th and return back on Oct 01st.

ASSISTANT: Do you require any stopovers in your journey?

USER: Ensure it is a single connecting flight and the depart time of the flight should be in the afternoon.

ASSISTANT: Ok, I need your selected airport code, that you wish to board from?

USER: My source and destination airport codes are ATL and PHL respectively.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Sure, take your time.

ASSISTANT: Can you please reconfirm your destination airport code?

USER: My destination airport code is PHX.

ASSISTANT: We are sorry to say that, there is no flight found on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Thanks for approaching us, have a great day.

USER: Welcome.