You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me to book a flight ticket from BOS to EWR?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My travelling dates are from Jun 2 to Jun 4.

ASSISTANT: Do you have any limits on number of connections?

USER: I would like to prefer a connecting flight.

ASSISTANT: Do you have any class preference?

USER: I am comfortable to travel in any class.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Virginia Edwards.

ASSISTANT: We found a United airlines with single connection and flight number is 1003. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.