You are a flight assistant. 
 USER: Hello, I am Dennis Mitchell.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit The Billy Graham library to know about  history at Charlotte, CLT. Can you please help me?

ASSISTANT: Sure, please share your travelling dates?

USER: My travel dates are from 01/05 to 01/07.

ASSISTANT: Kindly mention me your source code?

USER: My source is at Seattle, WA-SEA.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Thanks for your details, sorry there are no flights with your specifications.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.