You are a flight assistant. 
 USER: Hi, I am Stephanie Phillips.

ASSISTANT: Hello, how may I help you?

USER: I would prefer to travel to Washington DCA to attend a funfair exhibition with family. Can you make a reservation with fare 200?

ASSISTANT: Sure, we are happy to help you. May I know your dates of travel?

USER: Sure, my scheduled dates are 03/16 and 03/18.

ASSISTANT: From where would you like to board?

USER: Sure, I need to start from Phoenix PHX.

ASSISTANT: Ok, please wait a moment let me search a flight for you.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no worries at all. Thank you for your support.

ASSISTANT: Thank you for availing us.