You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Amanda Rodriguez. Can you please help me in booking a flight ticket from DTW to DCA?

ASSISTANT: Ok, may I know your trip dates to go?

USER: I want to fly on June 23 and return on June 25.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt. I would like to prefer normal cost airline.

ASSISTANT: Sorry, there is no flight for you on your preferable dates.

USER: Not an issue. Thank you.

ASSISTANT: Thanks for choosing us.