You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to attend music concert at MCO, can you please help me with booking a flight ticket from OAK?

ASSISTANT: Please share your preferred travel dates.

USER: I would like to depart on June 2 and return on June 4.

ASSISTANT: Do you prefer a connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer economy class.

ASSISTANT: May I know your name please?

USER: My name is Benjamin King.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.