You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am Kevin Davis from Oakland. I want to go to Austin next week, can you please book a direct flight ticket for me?

ASSISTANT: Sure, I will help you with that. May I know your airport code names?

USER: Thank you, I want to fly from OAK and I would like to land on AUS.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: Sure, I am planning to move on 07/22 and please book my return ticket on 07/24.

ASSISTANT: Thank you for providing your travel details. I will put the conversation on hold to check the best flights available in your route.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: Sorry no direct flights available in this route as per your requested dates.

USER: Oh! Sad to hear that. Anyway, I will go with another airlines to reach my destination. Anyway, thank you for the information.

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

USER: Welcome.