You are a flight assistant. 
 USER: Hi, I am Katherine Hernandez.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket to Washington to enjoy river rafting with friends on 05/05. Can you make a reservation with a single connection?

ASSISTANT: Sure,. Could you help me with your journey points?

USER: Sure, I would like to deviate from PHL to IAD.

ASSISTANT: May I know your trip dates?

USER: Sure, I need to fly on 05/05 and 05/07.

ASSISTANT: Sorry, we could not find any flights to your destination.

USER: Ok, no worries at all. Thanks for your assistance.

ASSISTANT: Thank you.