You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Myself Samuel Anderson. I want to book a flight from IAH to IAD. Can you please help me in booking a flight ticket?

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

USER: My travel dates are from 06/20 to 06/22.

ASSISTANT: According to your request, there is a flight available from Southwest airlines with 1 connecting flight.

USER: Can you please check for the direct flight?

ASSISTANT: Your ticket is booked with flight 1001. Sorry, there is no flight available on your request.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.