You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Timothy Wilson. I would like to book a flight ticket from MCO to PHL, can you please help me to book a flight ticket?

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

USER: Sure, my journey dates are Aug 25 and Aug 27.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

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

USER: My return time is evening.

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

USER: No problem, thank you for your information.

ASSISTANT: Welcome, have a nice day.