You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have to attend a Live Concert at Charlotte, could you please help me with booking a flight ticket from DEN to CLT?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: I would like to depart on Mar 5th and return on Mar 7th.

ASSISTANT: Do you have any break in between journey?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: I have no other specifications.

ASSISTANT: Can I have your good name?

USER: I am Margaret Nelson.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.