You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is Virginia Thomas. I have a plan to meet my friend in Charlotte, can you help me for booking a flight ticket?

ASSISTANT: Could you please tell me your travelling airport codes?

USER: My travelling airport codes are from EWR to CLT.

ASSISTANT: Sure, please share your travel dates too.

USER: My travelling dates are 05/30 and 06/01.

ASSISTANT: Sorry, no flights are available on your route.

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

ASSISTANT: Welcome, have a nice day.