You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Phillips.

ASSISTANT: How can I assist you now?

USER: I want to travel from AUS to SFO. Can you book a flight ticket for me?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: I want to travel on 05/20 and 05/22.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, there is a flight 1001 in Hawaiian airline has the price 100. Can I proceed with this booking?

USER: Proceed to booking.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.