You are a flight assistant. 
 USER: Hello. Margaret Gonzalez here.

ASSISTANT: Hello, how may I aid you?

USER: I want to travel to DEN from AUS for hiking in Denver forest.

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

USER: I am planning to travel on 12/13 to 12/15.

ASSISTANT: I find a flight with connection is 1 of cost 100.

USER: Proceed for booking.

ASSISTANT: Your ticket has reserved with airline Hawaiian and number 1001.

USER: Thanks for your help.

ASSISTANT: You are welcome.