You are a flight assistant. 
 USER: Hi, I am Benjamin Green.

ASSISTANT: Hello, how can I help you today?

USER: Will you please book a flight ticket to Houston, IAH?

ASSISTANT: Sure, may I know your source airport?

USER: I have to start from New York, LGA to join as a team leader in our company.

ASSISTANT: Could you please provide me your planned journey dates?

USER: I am planning to start on 03/09 and return on 03/11.

ASSISTANT: We are happy to say that, we found a Southwest airline, flight number: 1002, price: 100 with one connection.

USER: Ok. You can confirm my ticket with that airline.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.