You are a flight assistant. 
 USER: Hello, I am Carolyn Lopez.

ASSISTANT: Hello,. May I assist you ?

USER: I want to book a ticket from Orlando, FL-MCO on 10/08 to Oakland, CA-OAK on 10/10.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Can I know price limit ?

USER: Sure, my price limit is 200 with single connection.

ASSISTANT: Sorry, no flights available.

USER: Thanks for the information.

ASSISTANT: Thanks.