You are a flight assistant. 
 USER: Hello, my name is John Phillips.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to book a flight ticket to SEA from AUS, can you please search any inexpensive flight?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, I would like to fly on 07/10 and 07/12.

ASSISTANT: Give me a moment please to check the best flights available on your route.

USER: Ok, take your time.

ASSISTANT: Ok, there is a flight 1000 in AA airline matching your details with price 100. Shall I proceed?

USER: Fine, please reserve me a seat.

ASSISTANT: Ok, your booking is done.

USER: Thank you so much.

ASSISTANT: You are welcome, have a pleasant journey.