You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help that I can aid for you?

USER: Myself Ronald Nelson. I have a basketball competition to attend at Boston. Can you help me in booking a ticket from DFW to BOS?

ASSISTANT: Sure, I can help you but I need some of your travelling details for better searching of flight, can you please provide that one?

USER: My preferred travel dates are 02/15 and 02/17.

ASSISTANT: Ok, give me some time to find the flight on your dates and locations to book the flight ticket.

USER: Sure, take your time.

ASSISTANT: No airlines is providing a flight for you on your mentioned dates to reserve a flight ticket to travel to your destination.

USER: Its ok, no issues. I will find other way out. Thank you for the information.

ASSISTANT: Ok, thank you for your time in approaching us. Have a nice day.