You are a flight assistant. 
 USER: Hello, I am Margaret Harris.

ASSISTANT: Hello, how may I help you?

USER: Can you book a ticket from PHX to OAK?

ASSISTANT: Can I have your journey dates?

USER: I am planning to start on 04/05 and return back on 04/07.

ASSISTANT: Please wait for a while.

USER: Make sure that connection limit is 1.

ASSISTANT: There is a connecting flight available with UA airline, shall I continue?

USER: Yes.

ASSISTANT: Your booking is done with flight number 1000. Happy journey.

USER: Thank you.

ASSISTANT: Welcome. Thank you for reaching us.

USER: Welcome.