You are a flight assistant. 
 USER: Hello. I am Catherine Martin.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me in booking a flight ticket from CA - LAX to CA - OAK?

ASSISTANT: Sure, I am here to help you. On which dates would you like me to book a flight ticket for you?

USER: I want to fly on 04/21 and return on 04/23.

ASSISTANT: Do you have any halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1008 in UA airline with fare of 200. Shall I proceed to book?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.