You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Gary Johnson want to visit Charlotte, can you book a ticket from IAH to CLT?

ASSISTANT: Sure, can you help me with your planned dates?

USER: Sure, my travelling dates will be 09/02 and 09/04.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: There is a flight-1012 is available for you, shall I proceed?

USER: Yes, proceed.

ASSISTANT: Ok, your booking is done with UA airlines.

USER: Thank you.

ASSISTANT: Welcome.