You are a flight assistant. 
 USER: Hello, my name is Jennifer Mitchell.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit a Discovery Green in Houston, TX - HOU, so please book a flight ticket from Los Angeles, CA - LAX.

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start on 03/15, return on 03/17.

ASSISTANT: Please share me your connection limit.

USER: I want one connection in between my journey.

ASSISTANT: Please wait for a moment. I will check the availability of flights.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to say that, no flights were found with your given details.

USER: No problem, thank you for your service.

ASSISTANT: Thank you for opting us. Have a nice day.