You are a flight assistant. 
 USER: Hello. I am Deborah Lewis.

ASSISTANT: Hello, what type of help you are looking from our service Lewis?

USER: I would like to book a ticket to Washington DC, can you please help me out?

ASSISTANT: I am glad to help you about that. Can you please help me with your planned dates of journey?

USER: I am travelling on these dates 11/16 and 11/18.

ASSISTANT: Ok, can you please provide your respective location codes?

USER: I am flying from JFK to IAD.

ASSISTANT: Hold on for some time.

USER: Make sure my connection limit is 1.

ASSISTANT: Sorry to say this Lewis, I am unable to find a flights which can travel your planned dates of journey.

USER: Ok no problem, thank you for your services.

ASSISTANT: Most welcome, thank you for reaching out here.