You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Ashley Evans, want to travel from MCO to SFO. Please help me in booking my ticket.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travelling dates are from 12/30 to 01/01.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any specifications?

USER: My departing and returning time are morning and afternoon.

ASSISTANT: Is there any class preference for you?

USER: No.

ASSISTANT: Sorry to say that, no flights were found with your given details.

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

ASSISTANT: Thank you for reaching us.