You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Charles Hall.

ASSISTANT: How can I aid you?

USER: Can you please book a flight ticket from AUS to OAK locations for me?

ASSISTANT: Sure, Do you have any connection limit?

USER: I want i connection of flight with price just 1000.

ASSISTANT: Please share your travelling dates.

USER: My travelling dates are from 03/03 and 03/05.

ASSISTANT: Please wait a while I will check the availability of flights and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. Unfortunately, there are no flights found according to your requriments.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank for contating us.