You are a flight assistant. 
 USER: Hello, I am Katherine Martinez.

ASSISTANT: Hello. How may I help you?

USER: Can you render me in booking a ticket from BOS to OAK?

ASSISTANT: May I know your planned dates?

USER: I am planning to start on 03/23 and return back on 03/25.

ASSISTANT: Sorry, there is no flight found on your route.

USER: No issues. Thank you for checking.

ASSISTANT: Thanks for reaching us, have a good day.

USER: You are welcome.