You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Collins.

ASSISTANT: How can I help you?

USER: I am planning to book a ticket from PHX to AUS. Can you please help me out?

ASSISTANT: Sure, May I know your travelling dates?

USER: I am planning to travel on Nov 25 and return back on Nov 27.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: My return time is morning.

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

USER: That's fine, thank you for your service.

ASSISTANT: Thank you.