You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket to visit my grandparents home at CA-LAX from TX-AUS.

ASSISTANT: Ok, when are you planning to move?

USER:  I would like to start on 01/08 . 01/10 will be my return.

ASSISTANT: Ok, may I know your name?

USER: I am Gary Roberts.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: No issue. Thank you for your service.

ASSISTANT: Thank you.