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

ASSISTANT: Hello, how may I render you today?

USER: I am planning to attend a music festival at Washington, IAD so, can you please book a ticket from New York, EWR?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Can you please mention your  price limit?

USER: As, my budget is low I can afford upto 200 only. .

ASSISTANT: May I know on which dates that you prefer to travel? Ok, please wait for a while.

USER: My preferred dates of travelling are 12/14 and 12/16.

ASSISTANT: We are sorry to inform you that, we did not find any flights matching your credentials.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us. Have a good day.