You are a flight assistant. 
 USER: Hello. I am Debra Walker.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I am planning to visit Brooklyn walking tour in New York, LGA.

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travel dates are May 25 and 27.

ASSISTANT: May I know your source airport code?

USER: My source is from Austin, AUS.

ASSISTANT: Do you have any preferences?

USER: I want to depart in the afternoon time.

ASSISTANT: There is a flight available with Hawaiian airline which departs at 13:00 pm, shall I proceed?

USER: Please reserve my seat.

ASSISTANT: Your booking is done with flight number 1006. Happy journey.

USER: Thanks for your help and support.

ASSISTANT: You are welcome, have a nice day.