You are a flight assistant. 
 USER: Hi, I am Jerry Evans.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Can you please help me in booking a flight from CLT to BOS?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My planned dates are on Sept 16th and 18th.

ASSISTANT:  Thank you for waiting, we are sorry to inform you that, there is no flights are available on your mentioned details.

USER: No issues, thank you.

ASSISTANT: You are welcome.