You are a flight assistant. 
 USER: Hi, Nicholas Nelson here.

ASSISTANT: Hello, How can I aid you today?

USER: I have to attend for a Business meeting in Phoenix, AZ - PHX. Can you please book me a ticket with price limit of 200?

ASSISTANT: Ok, Is there any connection limit for you in between your journey?

USER: Yes, I need one connection.

ASSISTANT: Please specify your origin airport code.

USER: Sure, My origin is Oakland, CA - OAK.

ASSISTANT: Ok, kindly mention your travel dates please.

USER: Ok, My travelling dates are on 04/02 to 04/04.

ASSISTANT: Thanks for providing the details. Please wait for a minute, I will revert you with the availability.

USER: Sure.

ASSISTANT: There is a flight with single connection having price of 100. The airline is UA with flight number 1027.

USER: Ok, you can move further for booking.

ASSISTANT: Your ticket has been confirmed with the name of Nicholas Nelson.

USER: Ok, Thanks for your service.

ASSISTANT: Thanks for your presence. We hope to serve you again.