You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm David Hernandez. I am planning to visit Disney Land at Los Angeles, could you please help me with booking a flight ticket from IAH?

ASSISTANT: David, can you please provide your dates of journey for further processing?

USER: I would like to take off on 07/02 and return on 07/04.

ASSISTANT: Ok, can you please help me with your destination airport code?

USER: My destination airport code is LAX.

ASSISTANT: Ok, please wait for a moment to check for the availability of a flight.

USER: Sure.

ASSISTANT: The flight with connections limit is 0 of cost 100.Shall I book this ticket?

USER: Can you please check a flight with connection 1?

ASSISTANT: Your booking has been confirmed successfully with airline UA and number 1001. Sorry, there is no flight is available with the connections limit 1.

USER: That's ok, I will find an another alternate way to complete my trip. Anyways, thank you for the information.

ASSISTANT: You are welcome.