You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning to go for trekking in MSP. Can you book me a ticket from LGA?

ASSISTANT: Your travelling dates please?

USER: I would start on Sept 7th and return on Sept 9th.

ASSISTANT: Do you have any specifications?

USER: I need a normal cost airline.

ASSISTANT: What about connection limit?

USER: I want a single lay over.

ASSISTANT: May I know your name please?

USER: I am Jonathan Williams.

ASSISTANT: I am sorry no flights found on your route.

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

ASSISTANT: Thank you for choosing us.