You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please assist me to book flight ticket from EWR to AUS?

ASSISTANT: Sure, may I know your name please?

USER: Stephen Adams here.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My trip dates are Oct 15 and Oct 17.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: May I know your preferable time for journey?

USER: I am fine with any timings.

ASSISTANT: May I know your connection limit please?

USER: I prefer a connecting flight.

ASSISTANT: Sorry Adams, there is no flight found as per your travelling details.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.