You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christine Perez.

ASSISTANT: How may I help you out?

USER: I planned to meet my friend in BOS, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I prefer to travel on May 24 and May 26.

ASSISTANT: Do you need any specifications?

USER: I would like to return back in afternoon.

ASSISTANT: Can I know your preferences?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for reaching us.