You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, Can you please let me know your travelling dates?

USER: My trip dates are May 5 and May 7 respectively.

ASSISTANT: Do you need any break in between journey?

USER: I prefer for connecting flight to travel.

ASSISTANT:  Are there any other specifications?

USER: My return time should be in the afternoon.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Donna Baker here.

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

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.