You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to book a ticket from DFW to EWR. Can you please help me out?

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

USER: I am planning to travel on May 27 and return back on May 29.

ASSISTANT: Are you looking for any preferred connections?

USER: I am looking for a connecting flight.

ASSISTANT: Do yo have any other specifications to be met?

USER: No.

ASSISTANT: Can I have your name to proceed further?

USER: My name is Joseph Perez.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no flights available on that route.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.