You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Samantha Edwards here. I would like to book a ticket from DEN to ATL, can you please help me with that?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: The travel dates are from 07/09 to 07/11.

ASSISTANT: Do you like to go with a economy class or business class?

USER: No, but I would like to return during morning time.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I need a flight with 1 connection limit.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: That's ok, thank you for your help.

ASSISTANT: Thanks for contacting us.