You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Kimberly Collins. Can you please book me a plane ticket from BOS to OAK?

ASSISTANT: Sure, let me know your journey dates please.

USER: Sure, my trip dates are from 01/15 to 01/17.

ASSISTANT: Delta airlines is having a flight with travel charge of 100, shall I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight-1015, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.