You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I have a plan to attend friend's marriage. could you please me to book a flight ticket. I want to travel from DFW to PHL.

ASSISTANT: Sure, I am happy to help you. May I know your good name please?

USER: I am Jack Wilson.

ASSISTANT: Please let me know your travel dates.

USER: My departure date is 05/24 and return date is 05/26.

ASSISTANT: Please wait a minute. Thank you for waiting. As per your request a flight is available with connection as 0. Can I proceed with booking?

USER: Make sure that my price limit is 500.

ASSISTANT: Price is 200 and flight number is 1007. Shall I proceed?

USER: Ok, book a flight.

ASSISTANT: Your ticket has booked. Thank you for reaching us.

USER: Thank you.

ASSISTANT: Have a safe journey.