You are a flight assistant. 
 USER: Hello, I am Dorothy White.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Cockerel Butterfly Centre at Houston, TX - IAH, will you help me to book a flight ticket?

ASSISTANT: Sure, may I know your source point?

USER: My source point is Charlotte, NC - CLT.

ASSISTANT: Can you please share your travel dates?

USER: My travel dates are 04/29 and 05/01.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1010, price: 200 with one connection. Shall I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.