You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to fly ATL to ORD. Can you check the flight availability on that route?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are 06/29 and 07/01.

ASSISTANT: On which name shall I reserve flight ticket?

USER: On the name of Cynthia Roberts.

ASSISTANT: Do you need any specifications?

USER: I am comfortable with direct flight only.

ASSISTANT: Sorry, there are no flights available with your requirements on your journey dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching our service.