You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Timothy Wilson.

ASSISTANT: How can I help you now?

USER: I would like to visit Denver Museum with my friends. Can you help me in booking a ticket from CLT to DEN?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My planned trip dates are 07/03 and  07/05.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found on your requested dates. Thank you for approaching us, have a nice day.

USER: Its ok, thank you for the information.