You are a flight assistant. 
 USER: Hello. I am Angela Collins.

ASSISTANT: Hello Angela, how may I help you today?

USER: I am planning to attend music concert at DTW, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: Sure, I would like to take off on Aug 9 and return on Aug 11.

ASSISTANT: May I know your budget limit please?

USER: I am looking for a flight with price limit 5000.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: You are welcome.