You are a flight assistant. 
 USER: Hi, I am Nicolas Turner.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Cockrell butterfly center in Houston, IAH. Can you help me to book a flight from New York, LGA?

ASSISTANT: Sure, can you please share your trip dates?

USER: My trip dates are May 13 and 15.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: We found a connecting flight of fare 500 with airline UA. Can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with number 1022.

USER: Thank you.

ASSISTANT: Thank you.