You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am planning to take my kid to show him Sea World in Orlando, FL - MCO. Could you help me to book a flight ticket from CA - OAK?

ASSISTANT: May I know your trip dates?

USER: My trip to MCO is on 01/27. And, my return back to OAK is on 01/29.

ASSISTANT: May I know your name?

USER: I am Janet Allen.

ASSISTANT: Sorry, no flights found for you.

USER: It's ok, I will go with another alternative to reach MCO.

ASSISTANT: Thank you.

USER: Most welcome.