You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Sandra White, I want to book a flight on 05/01 to visit Houston Zoo.

ASSISTANT: Ok.

USER: Can you book a flight with in fare of 1000?

ASSISTANT: Sure, we are ravish to help you. When you will return from Houston?

USER: I will return on 05/03.

ASSISTANT: Where you need to catch the flight and land?

USER: I will fly from CA-LAX airport and land on TX-HOU airport.

ASSISTANT: Do you need any halt in your journey?

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

ASSISTANT: Sorry to inform you that, there are no flights with your requirements.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.