You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Elizabeth Lewis here. I would like to book a ticket from ORD to MCO.

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My itinerary travel dates are Aug 23 and Aug 25.

ASSISTANT: Do you have any connection limit?

USER: I would like to board a direct flight.

ASSISTANT: Ok, may I know your arrival and departure time?

USER: I would like my return time to be in the afternoon.

ASSISTANT: Sorry, no flights are available on your route.

USER: No problem, thank you for the time and information.

ASSISTANT: Welcome, have a nice day. Thank you for approaching us.