You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit a Castles N' Coasters in PHX. Can you find a ticket for me?

ASSISTANT: May I know your journey dates?

USER: Sure, I am planning to travel for two days that is 12/24 to 12/26.

ASSISTANT: I need your source code to proceed the booking?

USER: Yes, my origin airport code is ORD. Make sure that the connection limit is 1.

ASSISTANT: Please hold on a moment to check the flight availability.

USER: Ok, sure.

ASSISTANT: I am sorry to say that there is no flight with your details. May I know your name please.

USER: Ok, no problem, I will choose any other way. Yes, I am Cynthia Taylor.

ASSISTANT: Thank you for your details.

USER: Thank you for your information.