You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Dorothy Collins. Please book me a plane ticket from DTW to OAK.

ASSISTANT: Yes, I will try for my best. Can you tell me your dates of travelling?

USER: My planned travelling dates are from 11/08 to 11/10.

ASSISTANT: Ok, give me a moment. I have found a flight for you with a price of 200 and a connection of 0. Can I proceed to booking?

USER: I need 1 connected flight.

ASSISTANT: Sorry, there is no flight with connection 1 on your requested dates.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.