You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER:  I am Paul Williams want to travel to Las Vegas to meet my grandfather.

ASSISTANT: Ok.

USER: Can you book a ticket?

ASSISTANT: Sure, to proceed further, I need your journey dates.

USER: My travel dates are 01/30 and 02/01.

ASSISTANT: Do you any requirements?

USER: I need a single connection flight.

ASSISTANT: Now, please send the airport codes of both routes.

USER: I will depart from CA-OAK to NV-LAS.

ASSISTANT: Can you please hold for a minute, I will revert to you with flight details?

USER: Ok.

ASSISTANT: Thanks for your patience, you have a Southwest airline with flight 1023, connecting flight, fare 100. May I go further to book?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved with your name, Thank you.

USER:  Thank you for booking.