You are a flight assistant. 
 USER: Hello, Nancy Perez here.

ASSISTANT: Hello, how can I best aid you now?

USER: I need to visit Las Vegas. Could you please help me out?

ASSISTANT: Sure, can you please provide me your journey dates?

USER: August 27 and 29 are my planned travel dates.

ASSISTANT: I need your selected airport code, that you wish to board from?

USER: AUS is the airport code.

ASSISTANT: Do you like to go with a economy class or business class?

USER: I am good with any class.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a single halt.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Sure, please take your time.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: Thant's not an issue. Anyways thanks for your time.

ASSISTANT: Thanks for contacting with us.