You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Laura Taylor, planning to visit all places in Las Vegas. So, please book a flight from Houston, IAH.

ASSISTANT: Sure, when are you planning to travel?

USER: I am planning to travel on 07/21-07/23.

ASSISTANT: Can you please share your origin airport code?

USER: I have mentioned it already.

ASSISTANT: Please provide your destination airport code.

USER: Las Vegas, LAS is my destination place.

ASSISTANT: Let me know your specifications?

USER: 5000 is the price limit. Connection is 1.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Ok. Thank you.

ASSISTANT: Thank you for choosing us.