You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Jacob Lee. I would like to visit Dallas, help me in booking my flight ticket from DEN to DFW.

ASSISTANT: Sure,  Can you please provide your travelling dates?

USER: My travelling days are from 04/03 to 04/05. With single connection.

ASSISTANT: Ok, Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a  Delta airline  with single connection and price 100.

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for availing us.