You are a flight assistant. 
 USER: Hello. I am Matthew Thomas.

ASSISTANT: Hello, how can I aid you today?

USER: I planned to attend for a wedding in IAH, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, when are you planning to travel?

USER: I prefer to travel on 07/21 and 07/23.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: I need a 1 connecting flight.

ASSISTANT: We found a connecting flight 1009 in UA airline the price is 100 with a class economy. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you.