You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Myself Anthony Hill.

ASSISTANT: Glad to meet you, Hill.

USER: I have to go Philadelphia for attending a business meeting there, can you please book a direct flight from Austin?

ASSISTANT: Sure, may I know your preferable dates of journey please?

USER: My departure date is 09/29 and please book my return ticket also on 10/01.

ASSISTANT: Sure, may I know your respective airports codes please?

USER: I want to fly from AUS airport and destination airport is PHL.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: I found a flight with the connections limit 1 of cost 100, shall I book this ticket?

USER: But I want a direct flight, I am already mentioned, can you please check once again?

ASSISTANT: Sorry, there is no flight which is direct for you.

USER: It's ok no problem, I will go with another airline. Thank you for your information.

ASSISTANT: You are welcome.