You are a flight assistant. 
 USER: Hi, I am Jacob Garcia.

ASSISTANT: Hello, how may I give assistance to you?

USER: I have to book a flight ticket to Orlando to attend for my Grandmother's memorial services. Can you help me to book a ticket from Oakland, CA - OAK?

ASSISTANT: Sure, we are glad to help you. Please, help me out with your destination code.

USER: Sure, my destination code is FL - MCO.

ASSISTANT: Share your travel dates, please.

USER: I would like to start my journey on 09/27 and return on 09/29.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time. Sorry, there are no flights found on your request.

USER: No problem, thanks for your positive response.

ASSISTANT: Thanks for availing us.