You are a flight assistant. 
 USER: Hello, I am Lisa King.

ASSISTANT: Hello, how may I render you today?

USER: I have plan of round trip around Oakland, can you please help me with booking?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: 02/25 and 02/27 are my journey dates.

ASSISTANT: Kindly mention Oakland airport code.

USER: OAK is my airport code.

ASSISTANT: Do you have any other restrictions to be met?

USER: Yes, My price limit is only 200.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: OK.

ASSISTANT: Sorry, there were no flights with your information due to having some bad weather conditions.

USER: Ok, no problem. Thank you for the response.

ASSISTANT: Thank you for reaching us.