You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend a workshop in TX-DFW can you help you with booking a flight ticket?

ASSISTANT: Sure, provide me  your journey details?

USER: My travelling dates are from 05/10 to 05/21.

ASSISTANT: Providing me your boarding details?

USER: I would like to start from CA-LAX.

ASSISTANT: Ok, please wait I will let you know. Can you provide me your connection  and price limits? May I know your name?

USER: I need 1connection limit and the price should  be 1000. You can call me as Karen Taylor.

ASSISTANT: Ok, please wait I will let you know the availability of flights.

USER: Ok.

ASSISTANT: Thanks for waiting. We found a flight matching with your requirements. Airline is AA and flight number is 1004.

USER: You can proceed with this airline.

ASSISTANT: We have direct flight with single connection.

USER: I need a flight with 1 connection.

ASSISTANT: Sorry to tell that no connection flights are available.

USER: No issue. Thank you for your service.

ASSISTANT:  Thank you for availing us.