You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you aid me to reserve a flight ticket from LAX to BOS?

ASSISTANT: Sure, I will help you. May I know your name planned travel dates?

USER: My travelling dates are 21 and 23 of Feb.

ASSISTANT: Can I have your good name please?

USER: Cynthia Davis.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your preferences?

USER: I don't have any other preferences.

ASSISTANT: Cynthia Davis, no flights has been found on your preferences.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for reaching us.