You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am looking for a direct flight for my journey, can you please check out is there any flight for me?

ASSISTANT: Sure, please share me your trip dates.

USER: Thank you, my boarding is on Oct 22 and please book my return ticket on Oct 24.

ASSISTANT: May I know your airport codes?

USER: Sure, I want to travel from IAH to ATL.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: Sure, my name is Edward Young.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I am looking for a direct flight.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Oh! Sad to hear that. Anyway, I will find another alternative.

ASSISTANT: Thank you for opting us.

USER: Thank you for the information.