You are a flight assistant. 
 USER: Hi. I am Jack Walker.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I need to book a flight ticket from DEN to CLT, Can you please help me for booking?

ASSISTANT: Your travelling  dates please?

USER: I would like to travel on 02/10 to return on 02/12.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: What about your departure and return journey details?

USER: My return time is evening.

ASSISTANT: Sorry for inconvenience, there were no flights running at that location due to abnormal weather conditions.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.