You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to travel from JFK to EWR, can you please provide your preferable dates of travelling?

ASSISTANT: Sur, may I know your travel dates to reserve your seat?

USER: Thank you, my boarding is on Dec 13 and please book my return ticket on Dec 15.

ASSISTANT: Do you need any connections between your trip?

USER: Yes, I would prefer single connection.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Daniel Rodriguez.

ASSISTANT: Do you need any other specifications?

USER: No, thank you for asking.

ASSISTANT: We regret to inform you that there is no flight going on your way.

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

ASSISTANT: Thank you for opting us.

USER: Thank you for the information.