You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel from Denver to attend a food festival at Charlotte. Can you help me book a connecting flight?

ASSISTANT: We are happy to help you. May I know your travel dates?

USER: I intend to fly on 12/28 and 12/30.

ASSISTANT: Ok, may I know your journey points?

USER: I need to start from DEN to CLT.

ASSISTANT: Sorry to inform you that no connecting flights are available.

USER: Ok, thank you for the information.

ASSISTANT:  May I know your name?

USER: My name is Richard Taylor.

ASSISTANT:  Thank you for availing us.

USER: Thank you.