You are a flight assistant. 
 USER: Hello,. I am Daniel Robinson.

ASSISTANT: Hello, how can I amend you?

USER: I am going for a Grand Canyon Adventure at San Francisco so, can you avail me flight ticket?

ASSISTANT: Sure, I will help you. Please share me your trip dates?

USER: I want to travel on 04/12, and need to catch return flight on 04/14.

ASSISTANT: May I know your airport codes?

USER: I need to leave from my nearest airport AUS to reach SFO.

ASSISTANT: Do you have any other specifications?

USER: Make sure to check a flight with in a price limit of 1000.

ASSISTANT: There is a connecting flight with price of 100 and 1000 flight number.

USER: Ok, please proceed for booking.

ASSISTANT: Shall I proceed? Your booking has been confirmed with Hawaiian airline.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.