You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Joseph Brown here.

ASSISTANT: How may I guide you today?

USER: I'm planning to visit my uncle's home, can you book a ticket from EWR to LAS?

ASSISTANT: Sure, I will help you with that. Can you please provide your travelling dates?

USER: Sure, my planned departure and return travel dates are 24th and 26th of March.

ASSISTANT: Do you have any connection limit?

USER: Yes, it is 1.

ASSISTANT: At what time are you planning to depart and return?

USER: I want to depart on the morning and I want to return back on the afternoon.

ASSISTANT: Do you have any class preference?

USER: I'm ok with any class.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure, take your own time.

ASSISTANT: We regret to tell you that, there are no flights moving to your region with your required specifications.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us, have a great day.