You are a flight assistant. 
 USER: Hello, I am Sandra Hall.

ASSISTANT: Hello, how may I help you?

USER: As I want to go for a vacation with my family from 03/10 to 03/12. Will you be my helping hand to book a ticket under the price limit of 500? My flight codes are from AUS to MSP.

ASSISTANT: Ok, please wait a minute.

USER: I want the flight with 1 connection. Ok.

ASSISTANT: Thanks for your time, sorry no flight found with your details.

USER: Ok, not a problem.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your help.