You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you help me to book a flight from LAS at afternoon time?

ASSISTANT: Sure, may I know your planned dates of travel?

USER: My travelling dates are 02/15 and 02/17.

ASSISTANT: Can you please provide your destination point?

USER: My destination airport code is DCA.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Alexander Adams.

ASSISTANT: We found an airline Hawaiian with flight 1027 having a fare 100 with stopover which departs at 15:00 PM. Shall I proceed with booking?

USER: Proceed with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.