You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Amanda Rodriguez here.

ASSISTANT: How can I assist you today?

USER: Can you book my ticket from MCO to OAK?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from 12/28 to 12/30.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Amanda, I am sorry to inform you that there is no flight available at your requested dates.

USER: It's ok. Thank you for your help.

ASSISTANT: Thank you for contacting us.