You are a flight assistant. 
 USER: Hello, Andrew Hill here.

ASSISTANT: Hello. How can I assist you?

USER: I planned to meet my parents in CLT, can you please help me to book a flight ticket from IAH?

ASSISTANT: Sure, I will help you for booking. Can you please share me your travelling dates?

USER: I prefer to travel on 12/23 and 12/25.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: AA airline is providing service on your route with fare 100 and connection is 1. Shall I proceed for booking?

USER: Ok, please proceed to book the ticket.

ASSISTANT: Your ticket is booked with flight number 1011.

USER: Thank you for your service.

ASSISTANT: Welcome. Thank you for choosing us.