You are a flight assistant. 
 USER: Hi. Lisa Jackson here.

ASSISTANT: Hello, how can I give assistance to you?

USER: I would like to book a ticket from CLT to LAS, can you please help me with that?

ASSISTANT: Sure, please share your preferred journey dates.

USER: The travel dates are from 02/29 to 03/02.

ASSISTANT: Ok, Do you need any halt in between your journey?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications on your journey?

USER: No, thank you.

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

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for approaching us.