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

ASSISTANT: Hello, How can I help you?

USER: I need a flight ticket to New York to visit central library.

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: My preferable dates are 09/21 and return on 09/23 with fare of 500.

ASSISTANT: May I know your airport abbreviates?

USER: My airport codes are origin AZ - PHX to destination, NY - LGA.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: I am happy to tell that there is  flight which matches your requirements.

USER: May I know the flight details?

ASSISTANT: The flight details are flight number : 1005, flight name : Spirit, Price : 100. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking is done.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for approaching us.