You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Samantha Gonzalez. I am planning to attend music concert at MCO, can you please help me with booking a flight ticket from IAH?

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, I would like to take off on 08/29 and return on 08/31.

ASSISTANT: Sorry, we regret bto inform you that there is no flight available as per your request.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: My pleasure.