You are a flight assistant. 
 USER: Hello, I am Pamela Moore.

ASSISTANT: Hello, Pamela Moore. How may I help you?

USER: I want to fly on 12/12 to attend a International Music Concert with the fare of 500. Can you please help me?

ASSISTANT: Sure, I will help you. Please, help me with your airport codes.

USER: My codes are from ORD to OAK.

ASSISTANT: May I know your arrival date?

USER: My arrival date is on 12/14.

ASSISTANT: Ok, please wait.

USER: I need a single connection.

ASSISTANT: Thank you for waiting.

USER: It's ok.

ASSISTANT: Sorry, we could not found any flights for you.

USER: That's ok, not an issue. Thank you for the information.

ASSISTANT: Have a nice day.