You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Hill.

ASSISTANT: How may I assist you?

USER: I need your help in booking a flight ticket from SEA to PHX to attend a food festival.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My planned journey dates are Aug 22 and Aug 24.

ASSISTANT: Do you have any specifications?

USER: Price must be under 500.

ASSISTANT: JetBlue airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: You can proceed.

ASSISTANT: Your ticket is booked with the flight-1011.

USER: Thank you.

ASSISTANT: Thank you for reaching us.