You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from CLT?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: I would like to take off on Nov 6 and return on Nov 8.

ASSISTANT: Do you require any stopovers in your journey?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Lisa Jones.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I would like to return evening time. I prefer economy class.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: You are welcome.