You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please reserve me a flight ticket from LGA to DEN.

ASSISTANT: Sure, may I know your connection limit?

USER: My connection limit is 1.

ASSISTANT: May I know your trip dates?

USER: My travel dates are May 21 and May 23.

ASSISTANT: Do you prefer any specifications?

USER: No.

ASSISTANT: Please share your name?

USER: My name is Brandon Parker.

ASSISTANT: Sorry, no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.