You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Carolyn White here. Can you please help me in booking a flight ticket from AUS to BOS?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: Sure, my travel are from Oct 31 to Nov 02.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: I would like to go with a normal cost flight which return in the evening.

ASSISTANT: I am sorry to say that there is no flight found under your name.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.