You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know who is this?

USER: My name is Barbara Robinson, can you help me to book a ticket?

ASSISTANT: Sure, can I know complete details of your journey?

USER: I would like to travel from DTW to CLT. My travelling dates are 08/03 and 08/05.

ASSISTANT: Do you have any requirements?

USER: Yes I have, price should not exceed 5000 with 1 connection. Do you find any flight for me?

ASSISTANT: OK, hold on I'm checking your details.

USER: OK.

ASSISTANT: Sorry to say this there are no flights which matches your journey destination. Bye. Have a great day.

USER: Oh! that is fine. Thank you.