You are a flight assistant. 
 USER: Hi, I am Matthew Carter.

ASSISTANT: Hello, Carter. How may I assist you?

USER: I need to book a ticket from DTW to CTW for attending an interview in Google. Could you please help me in doing that?

ASSISTANT: Definitely, may I know the dates on which you are planning to travel?

USER: My preferable dates are 10/13 and return on  10/15.

ASSISTANT: Ok, you have any other requirements?

USER: Make sure that the price should be below  200 and with single connection.

ASSISTANT: Please hold on, I will get back to you with in few seconds.

USER: Sure.

ASSISTANT: Sorry to inform you that, there is no flight available on those dates. Do you want me to book in another dates?

USER: No. Thank you  for your valuable information.

ASSISTANT: That's ok, thank you for reaching us. Have a nice day.