You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you help me to book a flight ticket from LGA to JFK?

ASSISTANT: May I know your travelling dates?

USER: Ok, please book a flight which depart for the date 15th May and 17th May is my return date.

ASSISTANT: Please let me know your connection limit?

USER: Yes, please book a flight which has single connecting flight limit.

ASSISTANT: Can I know your name please?

USER: My name is Carolyn Wilson.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no flights available on your route.

USER: Ok, that is not a problem. Thank you for the information.

ASSISTANT: Thank you for connecting with us.