You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to meet my best friend at Dallas, DFW. So can you please help me in booking a flight ticket from Denver, DEN?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My journey dates are from Mar 22 to Mar 24.

ASSISTANT: Do you need any stop over in between journey?

USER: I need a single stopover in between journey.

ASSISTANT: Can you please share your arrival and depart timings?

USER: My departure time is evening.

ASSISTANT: Is there any airline preference?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: May I know your good name?

USER: My name is Angela Davis.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your specified travel dates due to some bad weather conditions.

USER: That's ok, not a problem. Thank you.

ASSISTANT: Thank you for availing us.