You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Katherine White.

ASSISTANT: How can I assist you today?

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

ASSISTANT: Sure, please provide your travelling dates that you want to travel?

USER: My planning dates are 07/23 and 07/25. My price limit is 200.

ASSISTANT: Please give me a moment. Based on your details, there is a flight with price 100 and the connections 1 is available.

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1004.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.