You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Stephanie Carter. I planned to attend for a meeting in MCO, can you please help me to book a flight ticket from OAK?

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

USER: I prefer to travel on 06/13 and 06/15.

ASSISTANT: Thanks for waiting. But I am sorry to say that there are no flights available.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you.