You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Please book a ticket from BOS to LAX to meet my childhood friend.

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are Nov 30 and Dec 2.

ASSISTANT: Can you please share your connection limit?

USER: I want single connected flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Angela Parker.

ASSISTANT: Angela Parker, there are no flights available in your route with your preferences.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.