You are a flight assistant. 
 USER: Hello. I am Margaret Davis.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from CLT to DEN, can you please help me in booking?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share me your travelling dates?

USER: My travelling dates are Nov 21 and Nov 23.

ASSISTANT: May I know your connection limit?

USER: My connection limit is 1.

ASSISTANT: Do you have any other specifications?

USER: My departure time is evening and my return time is afternoon.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: That's ok, thank you for checking.