You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Boston to meet my college friends, please help me in booking a ticket.

ASSISTANT: Sure, may I know your airport codes please?

USER: My source airport code is JFK and destination airport code is BOS.

ASSISTANT: Please share me your journey dates.

USER: My planned dates are 03/03 and 03/05.

ASSISTANT: Can I have your good name please?

USER: My name is Anna Martin.

ASSISTANT: Delta airlines is having a flight on that route with travel charge of 200, shall I proceed booking?

USER: Ok, please book my ticket.

ASSISTANT: Your ticket has been booked with flight-1027, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for utilising our service.