You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am looking for a 0 connection flight from Houston. Could you please help me in booking a ticket?

ASSISTANT: Sure, could you please share me with your dates of travel?

USER: Ok, I have a plan to travel on dates 06/13 and 06/15.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: The airport codes are HOU and LAX respectively.

ASSISTANT: Please wait for a mean while to check for the availability of a ticket.

USER: Sure, take your time.

ASSISTANT: The flight with the connections limit 1 of fare 100 with the airline naming as UA, shall I book this ticket?

USER: I mentioned you to check for 0 connection flight.

ASSISTANT: May I know your name please?

USER: My name is Deborah Hernandez.

ASSISTANT: Sorry Deborah, there is no flight found as per your travelling details.

USER: Thank you for the information.

ASSISTANT: You are welcome.