You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you aid me to book a flight ticket from SFO to OAK?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I planned my trip on the dates Oct 27 and Oct 29.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Any other requirements to be met?

USER: No, other specifications.

ASSISTANT: May I know your good name?

USER: Myself Susan Scott.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No issue, anyway thank you for checking.

ASSISTANT: Thank you for reaching us.