You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to book a ticket from OAK to LAX. Can you please help me out?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: I am planning to travel on July 08 and return back on July 10.

ASSISTANT: Do you need any break in between your journey?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I am looking for a normal cost flight.

ASSISTANT:  May I know your name for the documentation process?

USER: My name is Christopher Robinson.

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

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.