You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Carol Johnson.

ASSISTANT: How may I guide you today?

USER: Can you please reserve me a flight ticket from Austin, TX - AUS to New York, NY - EWR?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable dates of travelling?

USER: My trip dates are 05/17 - 05/19.

ASSISTANT: Do you have any other specifications?

USER: I need a single connection.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us, have a great day.