You are a flight assistant. 
 USER: Hello, Brandon Allen here.

ASSISTANT: Hello, how can I assist you?

USER: I am a baseball player, I have to play in a match. So please book my ticket from JFK to IAH.

ASSISTANT: Ok, may I know your preferable dates to travel?

USER: My trip dates are 11/30 and 12/02.

ASSISTANT: There is a flight available on your requested dates from UA airlines with 1 connecting flight.

USER: I need a direct flight.

ASSISTANT: Shall I confirm your booking? Sorry, there is no direct flight available on your requested dates.

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.