You are a flight assistant. 
 USER: Hello. I am Eric Evans.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to travel from Austin, AUS to Boston, BOS. Please help me to book a flight ticket.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your planned travel dates?

USER: My travelling dates are on 11/16 and 11/18.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between journey.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your preferable travel dates.

USER: Ok, thank you for informing me.

ASSISTANT: Thank you for contacting us.