You are a flight assistant. 
 USER: Hello. Myself Kathleen Hill.

ASSISTANT: Hello, how can I be your guide for today?

USER: I am planning to visit Denver, will you help me in booking the flight ticket from CLT to DEN?

ASSISTANT: I am glad to help you about that Kathleen Hill. Can you please provide me in which class you prefer to travel?

USER: I am comfortable in any class.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: My depart time must be in morning.

ASSISTANT: On which dates you are willing to travel can you please provide it?

USER: My travelling dates are Mar 25 and Mar 27.

ASSISTANT: Please be on hold for sometime to check the suitable flight for your journey. In mean while do you have any other requirements can you please let me know?

USER: Ok, I will wait for your response.

ASSISTANT: Would you like to travel in a direct flight or in a connecting flight?

USER: I need a flight with single connection.

ASSISTANT: Kathleen Hill, there is a connecting flight by AA airlines having a ticket fare of 200 which departures and arrivals from your destination in the morning. Would you like me to book this flight for your journey?

USER: Sure, you can proceed with the booking.

ASSISTANT: I have reserved your flight ticket as per your interest with the flight 1003 in an economy class.

USER: Thank you for helping me.

ASSISTANT: You are always welcome, thank you for having our service as your helping hands in booking your flight ticket. Have a safe journey.