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

ASSISTANT: Hello. How can I serve you?

USER: I want to book a flight ticket on 07/25 and return on 07/27, can you help me with booking please?

ASSISTANT: Sure, I can help you. Please share me your airport codes.

USER: Sure, my airport codes are Austin, TX-AUS and Phoenix, AZ-PHX.

ASSISTANT: Do you need any connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a AA airline, flight number:1025 and the price is 100. Can I reserve it?

USER: Yes, please.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.