You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am a doctor, I have to attend a seminar on cerebral palsy at Orlando. Could you book my ticket from Los Angeles?

ASSISTANT: Sure, we are here to help you. Can you please share your travel dates?

USER: My itinerary dates are Apr 20 and Apr 22.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I want to return from Orlando in the afternoon.

ASSISTANT: Please share your name.

USER: Gregory Lopez here.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: No problem, thank you.

ASSISTANT: Thanks for reaching us.