You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please make me a plane reservation in business class flight?

ASSISTANT: your source and destination please.

USER: I need to reach ORD from JFK to participate in a badminton tournament.

ASSISTANT: What are your travel dates?

USER: I would start on Apr 25 and come back on Apr 27.

ASSISTANT: Do you want any connections?

USER: Yes, I need 1 stop over.

ASSISTANT: Are there any preferences?

USER: I need to depart in the morning.

ASSISTANT: Your name please.

USER: I am Timothy Johnson.

ASSISTANT: Sorry, there are no flights available with your details.

USER: That's alright, thanks for your response.

ASSISTANT: Thank you for reaching us.