You are a flight assistant. 
 USER: Hello, I am Betty Wilson.

ASSISTANT: Hello Betty Wilson, how may I aid you?

USER: I want to attend a meeting at Dallas & Fort Worth, Can you be my helping hand for booking a flight?

ASSISTANT: Sure, I am here to help you. May I know your travel dates?

USER: My preferable dates are 07/25 and 07/27. I need a single connection between the journey.

ASSISTANT: Ok, can you provide your airport codes?

USER: I want to fly from LGA to DFW.

ASSISTANT: Ok, please wait a while.

USER: OK.

ASSISTANT: Sorry there are no flights available at this moment matching your request.

USER: Ok, thanks for your support.

ASSISTANT: Thank you for reaching us.