You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: I am planning to celebrate my birthday celebrations with my parents at Austin, TX-AUS. So I need to make a plane reservation.

ASSISTANT: Ok, could you provide me your origin airport code and journey dates?

USER: Sure, my travelling dates are from 03/10 to 03/12. My origin airport is Boston, MA-BOS.

ASSISTANT: May I know your name, please?

USER: My name is Janet Wilson.

ASSISTANT: Thank you, give me a moment , I will check the availability of flight.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, sorry there are no flights.

USER: Not a problem, thank you.

ASSISTANT: Thank you for choosing us.