You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you?

USER: I would like to book a flight ticket from AUS to OAK, can you help me with that?

ASSISTANT: Sure, please provide your planning dates to book your ticket.

USER: My trip dates are 12/31 ans 01/02.

ASSISTANT: Will you please provide your name?

USER: I am Matthew Garcia.

ASSISTANT: Which type of airline preference you are looking for?

USER: I am ok with any airlines.

ASSISTANT: Do you need any connections between your trip?

USER: I need a single connection.

ASSISTANT: Is there any other specifications required?

USER: Nothing more.

ASSISTANT: We regret to inform you that there is no flights going on your way.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for choosing our agency.