You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I render you?

USER: I am Joshua Rodriguez. I need to attend an emergency meeting with clients in Atlanta, ATL.

ASSISTANT: Ok.

USER: Could help me in booking me a direct flight?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Could you please share your journey dates?

USER: 12/06 - 12/08 are my trip dates.

ASSISTANT: Do you have any price limit?

USER: 5000 is the budget for my ticket.

ASSISTANT: To proceed booking I need your other airport code.

USER: Oakland, OAK is my origin airport.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for being patience, there is no direct flight availble.

USER: Ok, I will choose other airline. Thank you.

ASSISTANT: Thank you for choosing us.