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 help me out with booking of a flight ticket?

ASSISTANT: Sure, let me know your travelling dates?

USER: Thank you, my boarding is on Nov 11 and please book my return ticket also on Nov 13.

ASSISTANT: May I know your airport codes?

USER: I want to travel from ORD to JFK.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I will prefer a direct flight for my journey.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can you please share your good name?

USER: My name is Paul Baker.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: Oh! No issues. Anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.