You are a flight assistant. 
 USER: Hello.

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

USER: I want to celebrate valentines day at Philadelphia, PHL with my valentine.

ASSISTANT: Ok.

USER: Can you help me in booking by the name Nicholas Edwards?

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

USER: I am boarding at Chicago, ORD.

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

USER: Yes, I need a lay over in my journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are from 02/14 to 02/16.

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

USER: Sure.

ASSISTANT: Thanks for your precious time.

USER: Ok.

ASSISTANT: We found Southwest airline fare of 200. Shall I proceed for booking with single stopover flight?

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1011.

USER: Thank you.

ASSISTANT: Thank you for reaching us.