You are a flight assistant. 
 USER: Hello, I am Cynthia White.

ASSISTANT: Hello, which service are you seeking for today?

USER: I would like to go for shopping in Renaissance Center at Detroit, DTW. Can you please make a reservation within the price of 5000?

ASSISTANT: Sure, what are your planned dates?

USER: My journey dates on 03/31 and 04/02.

ASSISTANT: Please provide me your origin airport code.

USER: My origin point is Seattle, SEA.

ASSISTANT: Ok, wait for sometime.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your dates.

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

ASSISTANT: Thank you for reaching us.