You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: Myself Raymond King. I want to book a flight ticket from OAK to DTW to meet my friend. Can you help me for booking?

ASSISTANT: Sure, I will help you in booking. Can you please tell your trip dates?

USER: My travelling dates are from 08/01 till 08/03.

ASSISTANT: Please wait a moment.

USER: Make sure that my connection limit should be 1.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.