You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Hernandez here.

ASSISTANT: Dorothy Hernandez, how may I assist you today?

USER: I would like to book my ticket from LGA to MCO. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you. Please let me know with your planned travel dates.

USER: My planned travel dates are from Feb 08 to Feb 10.

ASSISTANT: Dorothy Hernandez, do you need a direct or connecting flight?

USER: I need a connecting flight in my journey.

ASSISTANT: May I know with your class preference please?

USER: I need to reserve my ticket in economy class.

ASSISTANT: Please let me know with your preferred depart and return time.

USER: My depart time should be in the evening.

ASSISTANT: Do you have any other preferences?

USER: No, I din't have any other preference.

ASSISTANT: Please allow me a minute.

USER: Sure, take your own time.

ASSISTANT: Thank you. Dorothy Hernandez, I am really sorry to inform you that there are no active flights available.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for reaching us. Have a great day.