You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please book me a flight ticket from LGA to DTW?

ASSISTANT: Sure, can you help me by providing your travel dates?

USER: I will start on July 12 and return on July 14.

ASSISTANT: May I know your good name please?

USER: I am Carol Gonzalez.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 flag stop in the middle.

ASSISTANT: Do you have any other requirements to be met?

USER: My depart time must be in the morning.

ASSISTANT: Sorry, there is no flight service available on your required routes.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for availing us.