You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from Oakland to Los Angeles, can you help me?

ASSISTANT: Sure, I am here to help you. Can you please share your airport codes?

USER: My airport codes are OAK to LAX.

ASSISTANT: On which dates you would like to travel?

USER: I will fly on July 07 and recur on July 09.

ASSISTANT: May I know your connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please share your name.

USER: I am Anna Hall.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.