You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: My name is Virginia Robinson.

ASSISTANT: Glad to meet you Virginia.

USER: I am looking to book a flight ticket to meet my friend in Dallas, can you help me out?

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

USER: My travelling dates are 08/26 and 08/28.

ASSISTANT: Ok, may I know your airport codes please?

USER: My travelling airport codes are LGA and DFW.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Make sure that my connection limit should be 1.

ASSISTANT: Sorry Robinson, there are no flights available on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: Welcome.