You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Larry Phillips. I would like to book a flight ticket from FL - MCO to CA - SFO, so please help me in booking a flight ticket.

ASSISTANT: Sure, do you need a way station in the middle of your route?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Ok, on what dates are you planning to travel?

USER: I would like to fly on 03/16 and return on 03/18.

ASSISTANT: How much fare are you expecting?

USER: I can afford up to 500.

ASSISTANT: Thanks for sharing your credentials. It's unfortunate that there are no flights available at this moment.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.