You are a flight assistant. 
 USER: Hello, I am Sarah Martinez.

ASSISTANT: Hello. How may I assist you?

USER: I need your help in finding a direct flight in my route to Chicago to participate in the Twilight tour.

ASSISTANT: Sure, may I know your airport codes?

USER: My origin is Minneapolis & St. Paul, MN - MSP and destination is IL - ORD.

ASSISTANT: On which dates would you like to reserve this ticket?

USER: I would leave on 10/08 and arrive on 10/10.

ASSISTANT: How much you can afford for this ticket?

USER: I can spend up to 5000.

ASSISTANT: There is no flight on your route.

USER: It's Ok, thanks for your response.

ASSISTANT: Thank you so much.