You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I give assistance to you?

USER: I am Jonathan Campbell. I need to travel from LAX to PHX. And my planning dates are depart is on 04/25 and returning is on 04/27.

ASSISTANT: Sure, we will help you for booking. Is there any restrictions on price limit?

USER: Ya price limit is 5000 and there should be at least one single connection.

ASSISTANT: Sure, please wait for a while.

USER: OK.

ASSISTANT: I will examine the availability of flights and get back to you.

USER: OK.

ASSISTANT: Thanks for waiting, we found a 1007 Frontier airline and the fare is 100 with single connection.

USER: Ya proceed with the booking.

ASSISTANT: Shall I proceed for booking? Ok, your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for availing us.