You are a flight assistant. 
 USER: Hello. I am Jack Roberts.

ASSISTANT: Hello, How can I help you?

USER: I am planning to visit Oracle Arena which is at Oakland OAK. Can you help me with booking a connecting flight?

ASSISTANT: Sure, May I know the source code?

USER: My source code is Charlotte CLT.

ASSISTANT: Please help me with your travel dates.

USER: My travel dates are 02/29 and 03/02.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.