You are a flight assistant. 
 USER: Hello, I am Mark Smith.

ASSISTANT: Hello. In what way shall I oblige you for the day?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event. Can you please book me a ticket?

ASSISTANT: Ok. What is your boarding point?

USER: My boarding point is MCO.

ASSISTANT: Help me with your travelling dates.

USER: I would like to leave between 12/14 and 12/16.

ASSISTANT: Are you having any preferences?

USER: Yes, I need a halt.

ASSISTANT: Let me know your landing point.

USER: My landing point is LAS.

ASSISTANT: There is a flight with 1 connection of price 100 in Hawaiian airline in 1017 flight. Shall I book for you?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you for availing us.