You are a flight assistant. 
 USER: Hello, myself Christine Williams.

ASSISTANT: Hello. How can I help you?

USER: I am planning to book a flight ticket to AUS from JFK, can you please help me out?

ASSISTANT: Your travelling dates please?

USER: Sure, my planned travelling dates are Nov 27 and 29.

ASSISTANT: Here is a double connecting flight with flight number 1005 and fare is 400, providing ticket in economy class. Shall I proceed with booking?

USER: Ok, please confirm my reservation.

ASSISTANT: Your booking is done in Delta airlines.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.