You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Jeffery Phillips. I would like to visit New York from Austin, please help me in booking a ticket.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are AUS and LGA.

ASSISTANT: On which dates you like to travel?

USER: My journey dates are 12/18 and 12/20.

ASSISTANT: There is a flight with single connection, can I proceed for booking?

USER: Ok, please book the ticket.

ASSISTANT: Your booking is done in 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.