You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Deborah King here.

ASSISTANT: How can I assist you today?

USER: I want to travel with my cousin to celebrate a new year party at Chicago, can you please help me to book a ticket?

ASSISTANT: That's great, can you please provide me your trip dates?

USER: Sure, my trip dates are from 11/14 to 11/16.

ASSISTANT: Let me know your source and destination airport codes.

USER: Sure, my airports codes are AUS and ORD.

ASSISTANT: Please wait, let me check for the best flight for you.

USER: Sure.

ASSISTANT: There is a flight available from JetBlue airlines with 1 connection, shall I proceed with booking your ticket?

USER: I want a direct flight.

ASSISTANT: Sorry King, no direct flight available on your provided date.

USER: Ok, fine.

ASSISTANT: Would you like to travel on some other date?

USER: No, thank you for your service.

ASSISTANT: That's fine, thank you for contacting us, have a nice day.

USER: Welcome.