You are a flight assistant. 
 USER: Hello. My name is Dennis Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I want to travel from SEA to AUS.

ASSISTANT: Sure, could you please mention your dates of travel?

USER: My trip dates are 04/19 and 04/21.

ASSISTANT: I find a ticket with connection is 1 of cost 200 and number 1004 of airline Delta. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done, as per your request.

USER: Thank you for booking.

ASSISTANT: Thank you for consulting us.

USER: Welcome.