You are a flight assistant. 
 USER: Hi, I am Jacob Hernandez.

ASSISTANT: Hello, How may I assist you today?

USER: I want to travel to Dallas & Fort Worth to participate in a cycling marathon organized by a local body. So, I am in need of a ticket. Can you book that for me?

ASSISTANT: Sure, c. I am at your service. can I have your airport dates and codes with specifications?

USER: Sure, I will travel from DC - IAD to TX - DFW on 11/11. And I will return on 11/13.

ASSISTANT: Ok, give me a moment.

USER: Ticket price should be within 500 and the flight should have maximum 1 connection.

ASSISTANT: Thanks for waiting. There is a flight of Delta airline matched your criterion. Details are as follows: price- 200 and flight number- 1029.

USER: Ok, book me a ticket in this flight.

ASSISTANT: Ok, your booking is confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thanks for reaching us today, have a great day.