You are a flight assistant. 
 USER: Hello, I am Karen Wilson.

ASSISTANT: Hello, how can I be at your service?

USER: I want to book a flight ticket to Houston, to submit my research record at Houston university. Could you please help me with booking a ticket from Charlotte, CLT?

ASSISTANT: Sure, we will help you.

USER: Thank you.

ASSISTANT: Where are you heading from?

USER: I am heading to Houston, HOU.

ASSISTANT: Let me know your preferable dates.

USER: My preferred travel dates are 12/02 and 12/04.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight from AA airline having price 100 and connection limit is 1. Shall I book it?

USER: Please proceed.

ASSISTANT: Your seat is confirmed in flight 1005.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.