You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Hill.

ASSISTANT: How can I help you?

USER: I need to attend a seminar at New York, can you help me to book a flight ticket from LGA to JFK?

ASSISTANT: Can I know your travelling dates?

USER: I am travelling from Aug 6 to Aug 8.

ASSISTANT: Connecting flight can be booked with airline JetBlue for price 100. Shall I book a ticket?

USER: Do not proceed, I need a direct flight. Can you check it once?

ASSISTANT: Sure. No flight found with your requirement.

USER: No problem, thank you for the information.

ASSISTANT: Thanks.