You are a flight assistant. 
 USER: Hello.

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

USER: I need a reservation to participate in cultural fest at Austin, TX - AUS. Can you please help me out with booking?

ASSISTANT: Sure, we are kindly help you in booking.

USER: Thank you.

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

USER: I would like to board at my nearest airport which is Chicago, IL - ORD.

ASSISTANT: On which dates you want me to book your ticket?

USER: I need to depart on 07/13 and return on 07/15.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. May I know your name please?

USER: My name is Amy Clark.

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

USER: That's Ok. I will find another option. Thanks for your information.

ASSISTANT: Thank you for opting us.