You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I am Joseph Garcia.

ASSISTANT: Ok.

USER: Can you help me booking a flight ticket from AUS to HOU?

ASSISTANT:  Sure, we are perky to help you. On which dates would you like me to book a flight ticket for you?

USER: Thank you. I will start on July, 06 and return on July, 08.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.