You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you today?

USER: I need to book a flight ticket from AUS to PHX, can you help me with that?

ASSISTANT: Sure, On which dates would you like me to book a flight ticket for you?

USER: My trip dates are 04/23 ans 04/25.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Helen Nelson.

ASSISTANT: Let me know your connection limit?

USER: I need single connection.

ASSISTANT: Do you have any other requirements?

USER: Nothing.

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: That's alright. Thank you for your service.

ASSISTANT: Thank you for choosing us.