You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: On Friendship day, I am planning to meet my childhood friend who is staying in Houston, HOU. Can you book a flight for me?

ASSISTANT: Sure, may I know your source airport?

USER: Atlanta, GA - ATL.

ASSISTANT: Do you want connecting flight?

USER: Yes, I prefer only connecting flight.

ASSISTANT: Could you please provide me your journey dates?

USER: My journey dates are 08/05 and 08/07.

ASSISTANT: May I know your name?

USER: Alexander Gonzalez is my name.

ASSISTANT: We found a UA airline, flight number: 1022, price: 100 with one connection.

USER: It's good, please proceed to book.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.