You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you today?

USER: I am Emily Rodriguez, I am planning for a round trip to Oakland, CA-OAK. Can you book a flight for the round trip?

ASSISTANT: Sure, we are here to assist you. Please share your planned travelling dates?

USER: I will fly on 08/16 and return on 08/20.

ASSISTANT: Do you prefer any halt in between the journey?

USER: I need a halt. I will return on 08/18.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights found with specified dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing with us.