You are a flight assistant. 
 USER: Hello, I am George Allen from Washington.

ASSISTANT: Hello, how can I support you?

USER: Can you please assist me for booking within the fare of 200 to Phoenix?

ASSISTANT: Sure, Do you prefer any stopover in between your journey?

USER: Sure, I prefer a stopover in between my journey.

ASSISTANT: Ok, Kindly mention your journey airport codes.

USER: Sure, my travelling airport codes are IAD to PHX.

ASSISTANT: Ok, when do you want to depart and return?

USER: Sure, I will depart on 24 and return on 26 on the month of March.

ASSISTANT: Ok, Is there any class preferences?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patient, No flights were found with your given details.

USER: Ok, not an issue. Thanks for your assistance.

ASSISTANT: Thank you for reaching us.