You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am James Hall. I want to book a flight ticket from AUS to EWR. Could you help me in booking?

ASSISTANT: Sure, We are here to help you. Kindly assign your preferred dates of travelling?

USER: Thank you. My travelling dates are from 07/03 to 07/05.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: That's ok, no problem. Thank you for helping me.

ASSISTANT: Thank you for opting us.