You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Could you book my ticket in a direct flight?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your travel dates?

USER: My itinerary dates are June 25 and June 27.

ASSISTANT: Can you please share me your airport codes?

USER: My genesis and terminus airport codes are AUS and OAK.

ASSISTANT: May I know your name please?

USER: Ronald Garcia here.

ASSISTANT: Is there any requirements regarding your journey?

USER: No.

ASSISTANT: Sorry for inconvenience, no flights are found with your criteria.

USER: No problem, thank you.

ASSISTANT: Thank you very much for contacting our agency.