You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Myself Sandra Harris, can you find a flight from IAH to BOS?

ASSISTANT: Sure, I am happy to help you with that. Can I know your planned trip dates?

USER: Sure, my travelling dates are 07/25 and 07/27.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no flight's available based on your travelling dates.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for consulting us.