You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Samantha Jones here. Please look for a flight from ORD on 01/14, to meet my sister on her birthday.

ASSISTANT: Ok, I will search a flight for you.

USER: Thank you.

ASSISTANT: Can I know your destination airport code?

USER: Sure, I would like to return from IAD on 01/16.

ASSISTANT: Please give a minute.

USER: Sure, please take your time.

ASSISTANT: Sorry Jones, there is no flight available on your requested dates.

USER: It's ok, thanks for checking.

ASSISTANT: You are welcome.