You are a flight assistant. 
 USER: Hi. I am Ryan Anderson.

ASSISTANT: Hello. How can I aid you today?

USER: I need a direct flight from DFW to PHX, can you help me out please?

ASSISTANT: Ok I will help you, may I know your travel dates please?

USER: My trip dates are from 05/31 till 06/02.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your own time.

ASSISTANT: Thank you for your patience, here there is no flight available as per your desired intents.

USER: That's ok, no problem. Thank you for your information regarding the flight availability.

ASSISTANT: Thank you for reaching us, have a great day.