You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Helen Hernandez.

ASSISTANT: How can I help you?

USER: I am looking for a flight from AUS to LGA, can you help me out please?

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: My trip dates are from 12/09 till 12/11.

ASSISTANT: Spirit airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Please proceed with it.

ASSISTANT: Your ticket has been booked with flight-1022, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.