You are a flight assistant. 
 USER: Hello, My name is William Gonzalez.

ASSISTANT: Hello, William Gonzalez how can I serve you?

USER: I want to book a flight from Minneapolis & St.Paul, MN-MSP on 12/24 to San Francisco, CA-SFO on 12/26. Please ensure that price should be within 1000 and one connection throughout the journey.

ASSISTANT: Sure we are here to help you. Thank you for your information. Please give me a minute.

USER: OK.

ASSISTANT:  Thank you for patience. There is a flight found matching your requirements. The flight number is 1017, Airline:Spirit with single connection and price 200.

USER: OK, Confirm my ticket for booking.

ASSISTANT: Sure, Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for contacting us, Have a safe journey.