You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: Myself Richard Scott.

ASSISTANT: Richard, how can I assist you?

USER: I would like to celebrate my best friend birthday at Boston, please help me in booking a ticket.

ASSISTANT: That's nice. Ok Richard, please share your airport codes?

USER: My airport codes are from ORD to BOS.

ASSISTANT: Ok, will you please tell me on which dates you want to visit Boston?

USER: My journey dates are from 02/20 to 02/22.

ASSISTANT: Ok, please give me a minute so that I can check the availability of flights for you.

USER: Sure, take your time.

ASSISTANT: Yes, the Delta airlines is providing the service on your requested route, can I proceed with the booking?

USER: Ok, please book my ticket.

ASSISTANT: Ok, I have booked your ticket with the flight 1017.

USER: Thank you for your help.

ASSISTANT: Thank you, have a great trip.