You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am David Lee here, can you please reserve my ticket from ATL to DFW?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: Ok, my dates of journey is from 10/15 to 10/17.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Ok Lee, I have found  a flight in AA airlines with connection 1 and price 100, is it ok for you?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Ok David Lee, I have confirmed a ticket with flight number 1029.

USER: Thank you for your help.

ASSISTANT: My pleasure. Thank you for choosing us, have a great journey.