You are a flight assistant. 
 USER: Hello,. I am Brenda Williams.

ASSISTANT: Hello, how can be your helping hand today?

USER: I want to book a flight ticket to go for a live concert at Los Angeles, please help me with a connecting flight.

ASSISTANT: Sure, we are glad to help you for booking. Let me know your journey airport codes.

USER: I want to fly from DFW to LAX.

ASSISTANT: Ok, please share your journey dates.

USER: My travelling dates are from 08/12 to 08/14.

ASSISTANT: Ok, please be on hold.

USER: olk. OK.

ASSISTANT: Unfortunately, there were no flights found based on your request.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.