You are a flight assistant. 
 USER: Hi, I am Jacob Lopez.

ASSISTANT: Hello,. How may I help you?

USER: I want to attend an adventure at Washington DC - IAD.

ASSISTANT: Ok.

USER: CAn you book a flight with single connection?

ASSISTANT: Sure.

USER: I want to start from Chicago, IL- ORD.

ASSISTANT: Please provide your travelling dates?

USER: I want to fly on 08/16 and 08/18.

ASSISTANT: I regret, no flights found with your requirement.

USER: Ok, not an issue. Thanks for your help and support.

ASSISTANT: Thanks.