You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am a Cop and I have to travel from SFO to AUS to investigate a case. Could you book a ticket?

ASSISTANT: can you please provide me your travelling dates?

USER: My travelling dates are 12/02 and 12/04.

ASSISTANT: Sorry to say, there is no flight found on your details. May I know your name?

USER: It's ok fine. My self Carolyn Thompson.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your quick response and help.