You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you aid me to book a flight ticket from IAH to MSP?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned trip dates are Aug 8 and Aug 10 respectively.

ASSISTANT: Do you have any specifications?

USER: I am looking for a connecting flight.

ASSISTANT: Please share me your name.

USER: Myself William Mitchell.

ASSISTANT: Please wait a moment.

USER: Please proceed.

ASSISTANT: We found a economy class flight with American airline, flight number: 1004. Shall I book this ticket?

USER: Please book a ticket.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you.