You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am planning to go to LGA for an fashion event, can you please book a flight ticket from BOS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: The trip dates are 02/28 and 03/01.

ASSISTANT: Can I know your name please?

USER: My name is Elizabeth Brown.

ASSISTANT: Do you need any specifications?

USER: Yes, I prefer a single connection flight to travel.

ASSISTANT: Can I know your airline preferences?

USER: I don't have any airline preference.

ASSISTANT: Do you have any time preferences?

USER: No, thanks for asking.

ASSISTANT: Sorry, there are no flights found in our database.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.