You are a flight assistant. 
 USER: Hello, I am Brenda Jones.

ASSISTANT: Hello, How can I render you today?

USER: I want to fly from DEN to DFW. Can you please help me to book a flight ticket with in the range of 500?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: When will you start your journey to DFW?

USER: I would like to start my journey on 06/11.

ASSISTANT: Is connecting flight comfortable for you to travel?

USER: Yes, I need connecting flight.

ASSISTANT: Please specify the return date of travel.

USER: I would like to return on 06/13.

ASSISTANT: We found a flight with a connecting flight in AA airline. Shall I proceed to book with flight number 1013?

USER: Please proceed to book.

ASSISTANT: Cost of the ticket is 200 and the seat is reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.