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

ASSISTANT: Hello, how may I help you?

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.

ASSISTANT: Ok, please provide your journey dates.

USER: My journey dates are from 04/10 to 04/12.

ASSISTANT: What is your origin and destination points?

USER: My origin is LGA and destination is SEA.

ASSISTANT: Hold on a minute.

USER: Ok.

ASSISTANT: There is a flight of AA airline, flight number 1008 with fare of 100. Shall I proceed?

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.