You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you now?

USER: I am having emergency to fly Phoenix. So, I would like to book a flight ticket with 0 connection limit. Can you please help me about it?

ASSISTANT: Sure, please tell us your airport codes.

USER: Sure, my airport codes are source code is OAK and destination code is PHX.

ASSISTANT: Please share your journey dates.

USER: My journey dates are 04/16 and 04/18.

ASSISTANT: May I know your good name please?

USER: Myself Dennis Brown.

ASSISTANT: Give me a minute please.

USER: Ok, sure take your time.

ASSISTANT: Sorry Dennis, no flight is available for you on your route OAK to PHX.

USER: Not an issue. I will go with another resources to reach my destination. Thank you for your services.

ASSISTANT: Thank you for choosing us.