You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I need to reach New York to attend my father's retirement ceremony, can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your good name please?

USER: I am David Brown.

ASSISTANT: Do you have any reservation on price?

USER: I need a ticket with in 500.

ASSISTANT: Can you please provide me your dates of travel?

USER: My travelling dates would be on 12/10 to 12/12.

ASSISTANT: Please let me know your codes of airport.

USER: I would like to start from MN-MSP and My destination is NY-JFK.

ASSISTANT: Ok, please wait a minute. Let me check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time. There is a UA airline matching your journey details.

USER: Ok, you can proceed with this airline.

ASSISTANT: Your ticket is confirmed with flight number 1000.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.