You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Can you please help me to book a flight from AUS to reach Charlotte?

ASSISTANT: Certainly, I can do that for you.

USER: Thank you.

ASSISTANT: Will you please let me know when are you planning to make your trip?

USER: Sure, my planned dates are on Oct 13th to 15th.

ASSISTANT: How many connections are required for this particular journey?

USER: Yes, I prefer it.

ASSISTANT: Do you have any other specifications?

USER: I usually prefer a Major airlines.

ASSISTANT: You are almost done, Could you please forward your name?

USER: Sure, my name is Matthew Carter.

ASSISTANT: Ok, please allow me few minutes.

USER: Sure.

ASSISTANT: Thanks for waiting, we regret to inform that there are no flights going on your way due to heavy snow fall in Charlotte.

USER: No worries, thank you.

ASSISTANT: Thank you for approaching us, we hope to serve you better in future.