You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to book a connected flight to Austin, TX - AUS to meet my family friend. Can you please book a ticket?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My scheduled dates are on 05/18 to 05/20.

ASSISTANT: Ok, kindly mention your source airport code?

USER: My source is Oakland, CA - OAK.

ASSISTANT: To proceed further we need your good name please?

USER: Sure, I am Jerry Roberts.

ASSISTANT: There were no flights available on your requested dates.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for choosing us.