You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what type of help you are seeking from our service?

USER: I am planning in the month of May, so I need an advance ticket booking, can you reserve a flight ticket for me from OAK to LAS?

ASSISTANT: Sure, I will try my best to help you. Can you please provide your planned dates of journey?

USER: I would like to move to that regions on 05/21 and 05/23.

ASSISTANT: Hawaiian airline is providing a single connected flight which costs 100. Would you like to book this flight ticket?

USER: I am happy to travel in the flight which you have mentioned, you can proceed.

ASSISTANT: Your flight ticket is reserved with flight 1007. Please, provide your name for documentation purpose.

USER: Thank you for your service in my ticket booking. Sure, my name is Anna Lopez.

ASSISTANT: My pleasure, thank you for opting us.