You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Could you please help me to book a flight ticket from OAK to attend a client meeting in BOS?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: Sure, I need to depart on 01/16 and my return date will be on 01/18.

ASSISTANT: May I know your name for further process?

USER: I am James White.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: No but, I prefer to fly with the connecting flight for this time.

ASSISTANT: Do you have any another specifications?

USER: No, please proceed.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.