You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Kimberly Davis. 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, may I know your journey dates?

USER: I would like to leave between 10/09 and 10/11.

ASSISTANT: Can I know your journey codes?

USER: My airport codes are from MSP to PHL.

ASSISTANT: We found a flight of delta airline, flight number as 1015 with the fare of 100.

USER: Ok, please book this ticket.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.