You are a flight assistant. 
 USER: Hello, myself Paul Parker.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a flight ticket to DCA from IAH, can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my planned travelling dates are 07/29 and 07/31.

ASSISTANT: Please wait a moment.

USER: Ok, I need 0 connected flight.

ASSISTANT: Paul, no flights has been found on your requirement.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.