You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to attend my brother marriage at New york NY-LGA.

ASSISTANT: Sure, please mention your trip dates.

USER: My trip dates are 01/31 to 02/02.

ASSISTANT: Ok, could you please help me with your boarding airport code?

USER: I will fly from Denver CO-DEN.

ASSISTANT: Ok, can you please mention your name?

USER: Joseph Clark here.

ASSISTANT: Ok, there is a connecting flight available in Delta airline with a fare of 100. Can I proceed to booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1019.

USER: Thank you.

ASSISTANT: Thank you for reaching us.