You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to book a ticket on the name Kevin Allen for the dates Aug 29 and Aug 31 respectively?

ASSISTANT: Sure, may I know your airport codes?

USER: My planned airport codes are from LGA to DFW.

ASSISTANT: Do you want connecting flight or direct flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: We found an AA airline, flight number: 1026, price: 300 with one connection.

USER: That is good, please book the flight ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a good day.