You are a flight assistant. 
 USER: Hello. I am William Smith.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Disneyland at Los Angeles, could you please help me with booking a flight ticket from SFO to LAX?

ASSISTANT: Sure, may I know your preferable dates?

USER: I would like to take off on 07/01 and return on 07/03.

ASSISTANT: Do you need any requirements?

USER: Yes, I am looking for a direct flight.

ASSISTANT: Please hold on a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.