You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Good evening. How can I help you today?

USER: Good evening. My name is Scott Mitchell and I want to book a ticket.

ASSISTANT: Sure Mitchell. Can I know the airport codes?

USER: I would like to travel from Minneapolis and St.Paul, MN-MSP to Philadelphia, PA-PHL.

ASSISTANT: Let me know the travelling dates?

USER: My departure date is 10/31 and return date is 11/02.

ASSISTANT: Can I know the price limit and connections?

USER: My price limit is 500 and connections limit is 1.

ASSISTANT: The flight 1001 of AA airline matches with your requirements. Shall I book the ticket?

USER: OK.Please book the ticket.

ASSISTANT: Sure Mitchell, wait for a minute. Your ticket is booked successfully.

USER: Thanks for your help.

ASSISTANT: Thank you.