You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Dennis Evans here.

ASSISTANT: How may I guide you today?

USER: I have a plan to visit Boston. Can you help me in booking flight ticket from CLT to BOS?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My trip dates are May 6 to May 8.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight in normal cost.

ASSISTANT: I am sorry to say thta there is no flight found under your details. Thank you for reaching us.