You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to book a flight from AUS to SEA?

ASSISTANT: Please provide your jouney dates?

USER: Sure, I want to travel on Dec 7 and need to return on Dec 9.

ASSISTANT: Do you have any specification?

USER: I am looking for a flight with single connection.

ASSISTANT: Can I know your name?

USER: Myself Melissa Brown.

ASSISTANT: Found ticket with Delta airlines for price 200 having flight number 1019.

USER: Ok, please proceed.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.