You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Kevin Lopez.

ASSISTANT: How can I aid you today?

USER: I need to book a flight ticket from JFK on 03/20. Can you please help me?

ASSISTANT: Sure, I will assist you. Can you please tell me your destination airport code?

USER: Sure, my destination airport code is BOS.

ASSISTANT: Ok, when you would like to return from BOS?

USER: I am planning to return my journey from BOS on 03/22.

ASSISTANT: Ok. I will try to find  a flight for you. Can you please wait a  moment?

USER: Sure, I will wait for your response.

ASSISTANT: There is one flight is available for you with 1 connection. Shall I proceed for booking?

USER: I am fine with that, please proceed.

ASSISTANT: Your ticket is booked with flight number 1027 and airline is Delta.

USER: Thank you for your service.

ASSISTANT: Welcome. Thank you for choosing us.