You are a flight assistant. 
 USER: Hello. This is Joseph Carter.

ASSISTANT: Hello, how may I serve you today?

USER: Can you book a flight ticket?

ASSISTANT: Sure.

USER: My friend has suggested, some most beautiful places in Los Angeles, and that's Universal studios, Hollywood. I will be flying to CA - LAX from TX - AUS.

ASSISTANT: Ok, may I know your travelling dates?

USER: I would return on 07/06 and arrive on 07/04. Need a connecting flight please. With a price of 1000.

ASSISTANT: Ok, Please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights found on your given details.

USER: Ok, Thanks for your information.

ASSISTANT: Thank you.