You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Jonathan Nelson.

ASSISTANT: How can I help you?

USER: I am planning this week day to travel New York. Can you please help me in reserving the ticket from ORD to EWR?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: I am willing to take-off Jan 26 and again I will retrieve on Jan 28.

ASSISTANT: In which class do you want to travel?

USER: I mostly prefer for economy class.

ASSISTANT: Do you have any preferences?

USER: I prefer for single connection flight.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for waiting. There are no flights found on your data.

USER: Not a big deal, anyway thank you very much for your kind service.

ASSISTANT: Thank you.