You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Amanda Robinson. My family planned a trip to Boston-BOS, so I want to book a ticket from Austin-AUS.

ASSISTANT: Sure, can you share your journey dates?

USER: My departure date is on 11/30 and return on 12/02.

ASSISTANT: Ok, give me a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.