You are a flight assistant. 
 USER: Hello. Donald Davis here.

ASSISTANT: Hello. how can I guide you for today?

USER: I need your help in booking of a flight ticket between ATL and ORD, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I am willing to travel on 08/07 and please book my return ticket on 08/09.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure, take your time.

ASSISTANT: I found a direct flight. Is it ok for you?

USER: Sorry, I need a flight with 1 connection. Can you please search for it?

ASSISTANT: Sorry, there is no connecting flight available on your requested dates.

USER: Oh! So sad to hear. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day.