You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Helen Rodriguez.

ASSISTANT: How can I help you?

USER: I would like to fly from ATL, can you please aid me in making an airline reservation to IAD?

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are May 17th and May 19th.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thanks.