You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you assist me to book flight ticket from BOS to LAS?

ASSISTANT: Sure, I am here to help you for this. Could you please share me your trip dates?

USER: My trip dates are Mar 1 and Mar 3.

ASSISTANT: May I know your name please?

USER: Emily Miller here.

ASSISTANT: Is there any specifications regarding your journey?

USER: I prefer a connecting flight.

ASSISTANT: Sorry for inconvenience, no flights are found with your requirements.

USER: That's ok, thank you.

ASSISTANT: Thank you very much for contacting our agency.