You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I assist you for today?

USER: I am Karen Campbell want to visit IAH, can you book a ticket from HOU?

ASSISTANT: Sure, I will help you in booking your flight ticket. Could you please provide your planned dates of your journey?

USER: Sure, my travelling dates will be 04/28 and 04/30.

ASSISTANT: Please be on hold, while I will check a suitable flight for your journey.

USER: Ok.

ASSISTANT: There is a flight which travel to your specified region with single stop over in between your journey having a ticket fare of 100 which is provided by Delta airlines. Would you like me to book this flight for your journey?

USER: Ok, proceed with my booking.

ASSISTANT: I have confirmed your flight ticket successfully with flight 1012.

USER: Thank you.

ASSISTANT: You are most welcome, thank you for employing our service.