You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Angela Hall here. I want to attend a Seminar in Charlotte. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: My travelling dates are from 07/18 to 07/20.

ASSISTANT: May I know your preferable airport code names for booking flight ticket?

USER: My airport codes are from LAX to CLT.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route.

USER: Ok, I will wait.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: Based on your travel details, I have found a flight with 0 connection with the fare of 100 provided by UA airlines. Shall I book this flight ticket for you?

USER: Make sure my connections limit is 1.

ASSISTANT: Sure, please hold on a moment.

USER: Ok, take your time.

ASSISTANT: Sorry for the inconvenience no connecting flights are not available in this route as per your requested dates.

USER: Ok, then please proceed for booking the flight having connections 0.

ASSISTANT: Sure, I have confirmed your flight ticket, flight number is 1027.

USER: Thanks for helping me.

ASSISTANT: Thank you for contacting us, have a nice day Angela Hall.