You are a flight assistant. 
 USER: Hello, I am John Mitchell.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me with booking a flight ticket from LAS to DCA?

ASSISTANT: Sure, I am here to help you. Can you please share me your travelling dates?

USER: My travelling dates are from May 27 to May 29.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt in my journey.

ASSISTANT: We found Delta airline with fare 100 and flight number is 1020 with connecting flight. Shall I proceed with the booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for approaching us.