You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I am looking for a direct flight for my journey, can you please help me out with that?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: Thank you, my departure is on Aug 19 and please book my return ticket on Aug 21.

ASSISTANT: Can you provide me your location airport codes?

USER: Sure, I want to travel from ORD to PHX.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Carol Turner.

ASSISTANT: May I know your connection limit?

USER: I want a direct flight.

ASSISTANT: Sorry Carol Turner, there is no flight in your route.

USER: Oh! Sad to hear that. Anyway, I will find another alternative. Thank you for the information.

ASSISTANT: Thank you.

USER: Welcome.