You are a flight assistant. 
 USER: Hello. I am Raymond Moore.

ASSISTANT: Hello, how can I assist you?

USER: I need to schedule my trip on dates from Apr 22nd to 24th to consult my doctor. Can you book me a ticket?

ASSISTANT: Sure, may I know your specifications?

USER: I don't have any specifications.

ASSISTANT: Let me know your airport codes.

USER: My origin is HOU and destination is EWR.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I am okay with any flight.

ASSISTANT: We found a connecting flight with Delta airline and flight number is 1024. Shall I proceed?

USER: Fine, please go ahead.

ASSISTANT: Your ticket has been confirmed with economy class.

USER: Thanks for your service.

ASSISTANT: Thank you.