You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Karen Martin.

ASSISTANT: How may I help you?

USER: Could you do me a favour in making my reservation from 08/12 to 08/14?

ASSISTANT: Sure, I will help you out. Can you please mention your airport codes please?

USER: Ok, my source and destination codes are from DFW to LAX.

ASSISTANT: OK, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with 0 connection, can I proceed with this flight?

USER: Please check for 1 connected flight.

ASSISTANT: Sorry, there are no flights on these dates with one connection.

USER: It's ok, thank you.

ASSISTANT: Thank you for choosing our services.