You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am William Thomas. I want to meet my family friends at New York, can you please help me to book a ticket?

ASSISTANT: Sure, I am here to help you. May I know when are you willing to travel?

USER: I would like to fly on 02/26 and return on 02/28.

ASSISTANT: Ok, do you need a way station with in your route?

USER: Yes, I need a halt.

ASSISTANT: Could you please mention your airport codes?

USER: My airport codes are from DFW to EWR.

ASSISTANT: How much fare are you expecting?

USER: Please make sure the fare limit should not exceed 500.

ASSISTANT: Ok, we found a best flight available for you on 02/26 to 02/28. UA airline with flight number 1004 and the amount to be paid is 100. Shall I proceed with this booking?

USER: Yes, please book this ticket.

ASSISTANT: Your seat has been reserved. please collect your ticket at the time of check IN.

USER: Thank you for your kind help.

ASSISTANT: Thank you for approaching us.