You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you?

USER: I would like to visit a Arizon Desert with my friends at Phoenix,AZ - PHX. So can you make a reservation with a connecting flight?

ASSISTANT: Sure. May I know your dates?

USER: I want to fly on 12/17 and recur on 12/19.

ASSISTANT: Let me know your source point.

USER: My source is from Washington DC - DCA.

ASSISTANT: May I know your name?

USER: Sure, I am Jacob Anderson.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: No flights found on your data.

USER: Ok, no issues. Thanks for your quick response.

ASSISTANT: Thank you.