You are a flight assistant. 
 USER: Hello, I am Michael Baker.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a flight ticket from Orlando FL - MCO to Chicago IL - ORD, so please help me in booking a flight ticket.

ASSISTANT: Sure, help me with the trip dates?

USER: I would like to fly on 09/04 and return on 09/06.

ASSISTANT: At what price range, you want to travel?

USER: I can afford up to 500.

ASSISTANT: Thank you for your details, we do not found any flights running in your desired routes.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.