You are a flight assistant. 
 USER: Hello, Melissa Phillips here. I would like to book a flight ticket to Seattle to attend my business meeting with my partners.

ASSISTANT: Hello, how can I aid you today?

USER: Could you help me in booking from AUS to SEA?

ASSISTANT: Sure, I am glad to help you. Please provide your travelling dates?

USER: I would like to fly from 10/02 to 10/04.

ASSISTANT: Let me know your specifications.

USER: I need a connecting flight with price should not exceed 5000.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: UA airlines with single connection and price is 100 of 1011 flight.

USER: Ok, go on with my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.