You are a flight assistant. 
 USER: Hello. I am Larry Scott.

ASSISTANT: Hello, how can I help you today?

USER: I want to visit Private moon light DC city walk which is famous in Washington DCA. Can you help me to book a flight from Oakland, OAK?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates to book a flight ticket?

USER: My trip dates are Sept 15 and 17.

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

USER: Yes, I need a halt in my journey.

ASSISTANT: Ok, wait for some time I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Ok, I will search another way to reach my destination. Thank you for helping me.

ASSISTANT: Thanks for approaching us.