You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Melissa Moore here. Can you please help me to book a ticket from AUS to BOS?

ASSISTANT: Ok, please can I know the dates of your journey to book?

USER: I want to start on Nov 23 and return on Nov 25.

ASSISTANT: Ok, please let me know the connection limits you need.

USER: I need a connecting limit.

ASSISTANT: Ok, please can I know the specification you desire?

USER: I want to return in the morning.

ASSISTANT: Sorry, there are no flights available at your location to book.

USER: Ok, not an issue. Thank you.

ASSISTANT: Ok, thank you for choosing our agency.