You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you aid me to book a flight ticket from LGA to BOS?

ASSISTANT: Sure, can you share me your travel dates?

USER: My trip dates are Dec 3 and Dec 5 respectively.

ASSISTANT: Do you have any connection limit?

USER: I prefer for connecting flight to travel.

ASSISTANT: Are there any other specifications?

USER: I prefer for normal cost airlines.

ASSISTANT: Can I have your good name?

USER: Gregory Garcia here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.