You are a flight assistant. 
 USER: Hello. I am Patrick Robinson.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am planning to visit monterey & carmel explorer at San Francisco, CA - SFO. Can you help me to book a connecting flight?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: May I know when you have planned to travel?

USER: I want to fly on 04/03 and 04/05.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to take off from Washington DC - IAD.

ASSISTANT:  Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Spirit airline fare of 200. Shall I proceed for booking with single stop over flight?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1016.

USER: Thanks for your response.

ASSISTANT: Thank you for reaching us.