You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth Robinson.

ASSISTANT: How may I help you?

USER: Please book me a ticket from EWR to CLT as my meeting purpose.

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are from 06/03 to 06/05.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks.