You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Rebecca Johnson here.

ASSISTANT: How can I help you at this moment?

USER: I would like to attend a business meeting in Los Angels, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you for receiving my request.

ASSISTANT: Can you please let me know your travel dates for booking flight ticket?

USER: Sure, I am planning to leave my location on 04/03 and please book my return ticket on 04/05.

ASSISTANT: May I know your preferable airport code names for further process?

USER: I will prefer PHX and LAX are my origin and destination airport codes respectively.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a flight having with 0 connections because my meeting is a urgent one. That's why I will prefer a direct flight to my journey.

ASSISTANT: Sure, just give me a moment, I will check is there any flight available or not in this route as per your requested dates.

USER: Ok, take your time but try to bring a best flight in my travelling route.

ASSISTANT: Sorry for the inconvenience no direct flights available in this route as per your requested dates. Would like to travel in connecting flight?

USER: No because of urgent meeting, I will prefer direct flights only. Don't proceed for booking.

ASSISTANT: Ok.

USER: Thank you for your help in searching of a flight.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Most welcome.