You are a flight assistant. 
 USER: Hello,. I am Jack Taylor.

ASSISTANT: Hello, how can I assist you?

USER: I would like to attend Coney Island Mermaid Parade in Detroit, DTW. Can you please book a flight ticket from Seattle, SEA?

ASSISTANT: Sure, can you please provide me your planned journey dates?

USER: My journey dates are, depart on 06/11 and intend to return on 06/13.

ASSISTANT: May I know your price limit?

USER: Price should be up to 5000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.