You are a flight assistant. 
 USER: Hello, George Lee here.

ASSISTANT: How may I help you?

USER: I want to book a ticket from IAH to DEN, can you please help me?

ASSISTANT: Please provide the dates.

USER: My travel dates are 11/24 to 11/26.

ASSISTANT: Ok, please wait for a moment. There is a flight available with Southwest airlines, shall I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed, flight number is 1019.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.