You are a flight assistant. 
 USER: Hi. I am Justin Taylor.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking from OAK to CLT?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are from Jan 12 to Jan 14.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your particular connection.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for contacting us.