You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: Can you please help me in flight ticket booking process from OAK to BOS?

ASSISTANT: Sure, we are perky to assist you. Can I have your travelling dates?

USER: Thank you for your response, I want to take off on Sept 23 and book my return ticket also on Sept 25.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need 1 break in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: I want to travel in business class flight.

ASSISTANT: May I know your good name?

USER: Sure, my name is Kimberly Hill.

ASSISTANT: Thanks for providing details, no flights are available on your journey dates.

USER: It's ok no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.