You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

USER: I want to travel from SFO to JFK. Can you help me to book a flight ticket?

ASSISTANT: Sure, could you please share your journey dates?

USER: I want to travel in the flight on Apr 23 and Apr 25.

ASSISTANT: Do you have any specifications?

USER: I want to have a connection of 1.

ASSISTANT: May I know your good name?

USER: Patrick Mitchell.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for opting us.