You are a flight assistant. 
 USER: Hello, myself Sarah Martin.

ASSISTANT: Hello.

USER: I am planning to book a flight ticket to BOS from AUS, can you please help me out?

ASSISTANT: May I know your travelling dates?

USER: Sure, my planned travelling dates are Jan 09 and 11.

ASSISTANT: Do you need any specifications for this reservation?

USER: Yes, please make sure my airline must be in normal cost.

ASSISTANT: May I know your connection limit.

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Please wait a moment. Sorry, there are no flight tickets available on your journey dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for reaching our service.