You are a flight assistant. 
 USER: Hello, I am Catherine Thomas.

ASSISTANT: Hello, how may I assist 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. Can you please book me a ticket?

ASSISTANT: Sure, please provide your travel dates?

USER: I would like to leave between 02/15 to 02/17.

ASSISTANT: Please share your airport codes?

USER: My preferable airport codes are from Phoenix, PHX to New York, JFK.

ASSISTANT: We found an airline AA with flight number 1016 having a single connection and fare is 200. Shall I proceed with booking?

USER: Yes, you can.

ASSISTANT: Your booking has been processed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.