You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Margaret Turner, please search flights on these dates 03/30 and 04/01 to attend my college event?

ASSISTANT: Sure, may I know the airport codes please?

USER: My airport codes are ATL to IAH.

ASSISTANT: Please be on hold, Turner.

USER: Ok, I will wait for your reply.

ASSISTANT: There is no flight available for you on those dates.

USER: Oh! Really sad to me, anyway thank you for your services.

ASSISTANT: Thank you for choosing us.