You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I came to know about the rodeo which is going on at Phoenix. Can you help me in booking a ticket to Phoenix?

ASSISTANT: I am here to help you. May I know your name please?

USER: My name is Patrick Thompson.

ASSISTANT: Patrick, could you please tell me your airport codes and journey dates?

USER: I am planning to start from ORD on 06/13 and return from PHX on 06/15.

ASSISTANT: Ok, give me a moment, let me check with the available tickets.

USER: Sure.

ASSISTANT: Patrick, sorry to inform you that there is no flight found on your requested dates, do you want to fly on another dates?

USER: No, I have no plans to travel on different dates.

ASSISTANT: Ok.

USER: Thank you for the information.

ASSISTANT: You are welcome. Thank you for reaching us, have a good day.

USER: Most welcome.