You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to make a trip for Washington with my friends, As a part of my trip I want to visit the taste of DC seaway tour event. Can you aid me in booking a connecting flight ticket on 06/07?

ASSISTANT: Sure, may I know your airport codes?

USER: My Source and destination are from PHL to DCA.

ASSISTANT: To proceed booking I need your name and other journey date.

USER: Myself Patricia Carter, I intend to return on the date of 06/09.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no flights found on your given details.

USER: Ok, not an issue. I am happy to hear your quick response. Thanks for the information.

ASSISTANT: Thank you.